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A focus of research has been a description of the entrance of the Sulphur Creek lava flow into Glacial Lake Baker 9800 years ago.<ref>Tucker, David S., and Scott, Kevin M, 2009, [https://www.sciencedirect.com/science/article/abs/pii/S0377027308006276?via%3Dihub Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington Journal of Volcanology and Geothermal Research] 185(4):311-322</ref><ref>{{Cite journal |last1=Tucker |first1=David S. |last2=Scott |first2=Kevin M. |date=2009-09-10 |title=Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington |url=https://www.sciencedirect.com/science/article/pii/S0377027308006276 |journal=Journal of Volcanology and Geothermal Research |series=Volcano-Ice Interactions on Earth and Mars: the state of the science |language=en |volume=185 |issue=4 |pages=311–322 |doi=10.1016/j.jvolgeores.2008.11.028 |issn=0377-0273}}</ref>
A focus of research has been a description of the entrance of the Sulphur Creek lava flow into Glacial Lake Baker 9800 years ago.<ref>Tucker, David S., and Scott, Kevin M, 2009, [https://www.sciencedirect.com/science/article/abs/pii/S0377027308006276?via%3Dihub Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington Journal of Volcanology and Geothermal Research] 185(4):311-322</ref><ref>{{Cite journal |last1=Tucker |first1=David S. |last2=Scott |first2=Kevin M. |date=2009-09-10 |title=Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington |url=https://www.sciencedirect.com/science/article/pii/S0377027308006276 |journal=Journal of Volcanology and Geothermal Research |series=Volcano-Ice Interactions on Earth and Mars: the state of the science |language=en |volume=185 |issue=4 |pages=311–322 |doi=10.1016/j.jvolgeores.2008.11.028 |issn=0377-0273}}</ref>


Tucker has also collaborated on studies of Mount Baker glaciers.<ref>{{Cite web |date=January 2007 |title=Neoglacial fluctuations of Deming Glacier, Mt. Baker, Washington USA |url=https://www.researchgate.net/publication/252397199}}</ref><ref>{{Cite web |date=January 2007 |title=New stratigraphic constraints on Holocene glacier advances at Mt. Baker, Washington |url=https://www.researchgate.net/publication/252586273}}</ref>
Tucker has also collaborated on studies of Mount Baker glaciers.<ref>{{Cite web |date=January 2007 |title=Neoglacial fluctuations of Deming Glacier, Mt. Baker, Washington USA |url=https://www.researchgate.net/publication/252397199}}</ref><ref>{{Cite web |date=January 2007 |title=New stratigraphic constraints on Holocene glacier advances at Mt. Baker, Washington |url=https://www.researchgate.net/publication/252586273}}</ref><ref name="Martin2011" />


From 2007 to 2013, Tucker led teams of volunteers to [[Sherman Crater]] at 9500 feet on the south flank of Mount Baker to collect fumaroles gas samples for a USGS study of hazards and potential activity at Mount Baker. He also led a team that made an ice-radar transect<ref>{{Cite web |title=Abstract: MORPHOLOGY OF MOUNT BAKER'S CARMELO (SUMMIT) CRATER REVEALED BY ICE-PENETRATING RADAR (2009 Portland GSA Annual Meeting (18-21 October 2009)) |url=https://gsa.confex.com/gsa/2009AM/webprogram/Paper162646.html |access-date=2022-12-07 |website=gsa.confex.com}}</ref> to reveal the thickness of ice filling the 12,000- year-old Carmelo Crater<ref>{{Cite web |title=Mount Baker - 140,000 years ago to present {{!}} U.S. Geological Survey |url=https://www.usgs.gov/volcanoes/mount-baker/mount-baker-140000-years-ago-present |access-date=2022-12-07 |website=www.usgs.gov}}</ref> at the summit plateau of Mount Baker.<ref>{{Cite web |last=Tucker |first=D |title=Tour of Sherman Crater, Mount Baker |url=https://www.youtube.com/watch?app=desktop&v=FmcoSeogDT8 |publisher=D Tucker |via=YouTube}}</ref><ref>{{Cite web |last=Tucker |first=D |title=Fumarole gas sampling, Sherman Crater, Mount Baker |url=https://www.youtube.com/watch?app=desktop&v=HLKyggIRIOg |publisher=D Tucker |via=YouTube}}</ref><ref>{{Cite web |title=Mount Baker Volcano Research Center: Geochemistry |url=http://mbvrc.wwu.edu/geochemistry/ |access-date=2022-12-07 |website=mbvrc.wwu.edu}}</ref><ref>Werner, C., Evans, W. C., Poland, M. P., Tucker, D. & Doukas, M. P. (2009). [http://www.sciencedirect.com/science/article/pii/S0377027309002996 Long-term changes in quiescent degassing at Mount Baker Volcano, Washington, USA; Evidence for a stalled intrusion in 1975 and connection to a deep magma source.] ''Journal of Volcanology and Geothermal Research'' , 186, p. 379-386.</ref>
From 2007 to 2013, Tucker led teams of volunteers to [[Sherman Crater]] at 9500 feet on the south flank of Mount Baker to collect fumaroles gas samples for a USGS study of hazards and potential activity at Mount Baker. He also led a team that made an ice-radar transect<ref>{{Cite web |title=Abstract: MORPHOLOGY OF MOUNT BAKER'S CARMELO (SUMMIT) CRATER REVEALED BY ICE-PENETRATING RADAR (2009 Portland GSA Annual Meeting (18-21 October 2009)) |url=https://gsa.confex.com/gsa/2009AM/webprogram/Paper162646.html |access-date=2022-12-07 |website=gsa.confex.com}}</ref> to reveal the thickness of ice filling the 12,000- year-old Carmelo Crater<ref>{{Cite web |title=Mount Baker - 140,000 years ago to present {{!}} U.S. Geological Survey |url=https://www.usgs.gov/volcanoes/mount-baker/mount-baker-140000-years-ago-present |access-date=2022-12-07 |website=www.usgs.gov}}</ref> at the summit plateau of Mount Baker.<ref>{{Cite web |last=Tucker |first=D |title=Tour of Sherman Crater, Mount Baker |url=https://www.youtube.com/watch?app=desktop&v=FmcoSeogDT8 |publisher=D Tucker |via=YouTube}}</ref><ref>{{Cite web |last=Tucker |first=D |title=Fumarole gas sampling, Sherman Crater, Mount Baker |url=https://www.youtube.com/watch?app=desktop&v=HLKyggIRIOg |publisher=D Tucker |via=YouTube}}</ref><ref>{{Cite web |title=Mount Baker Volcano Research Center: Geochemistry |url=http://mbvrc.wwu.edu/geochemistry/ |access-date=2022-12-07 |website=mbvrc.wwu.edu}}</ref><ref>Werner, C., Evans, W. C., Poland, M. P., Tucker, D. & Doukas, M. P. (2009). [http://www.sciencedirect.com/science/article/pii/S0377027309002996 Long-term changes in quiescent degassing at Mount Baker Volcano, Washington, USA; Evidence for a stalled intrusion in 1975 and connection to a deep magma source.] ''Journal of Volcanology and Geothermal Research'' , 186, p. 379-386.</ref>
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== IWW ==
== IWW ==
Tucker is a member of the [[Industrial Workers of the World]].<ref>{{Cite web |last=x331980 |first=Tuck |date=2022-11-04 |title=Bloody Sunday: The 1916 Everett Massacre |url=https://industrialworker.org/bloody-sunday-the-1916-everett-massacre/ |access-date=2022-12-10 |website=Industrial Worker |language=en-US}}</ref> He served as the [[List of general secretary-treasurers of the Industrial Workers of the World|General Secretary-Treasurer]]<ref>{{Cite web |title=General Secretary-Treasurers of the IWW {{!}} Industrial Workers of the World |url=https://archive.iww.org/headquarters/oldgst/ |access-date=2022-12-08 |website=archive.iww.org}}</ref> in the union’s Chicago headquarters in 1983,<ref>{{cite news |last=Williams |first=Mary |date=August 17, 1983 |title=For the 'Wobblies,' A Shaky Economy Aids in 'Comeback' |work=[[The Wall Street Journal]] |quote= That doesn't sound very revolutionary; but in his museumlike office in Chicago, secretary-treasurer Dave Tucker insists the group still holds valid its founding premise: "The working class and the employing class have nothing in common..."}}</ref> and several terms on the General Executive Board,<ref>{{Cite web |title=IWW: DAVID TUCKER, EXECUTIVE BOARD MEMBER |url=https://www.unionfacts.com/local/employee/70232/IWW/0/DAVID/TUCKER |access-date=2022-12-08 |website=Union Facts |language=en}}</ref> most recently in 2017-2019.<ref>{{Cite web |date=2016-10-29 |title=100 years after Everett Massacre we're still learning more |url=https://www.heraldnet.com/news/100-years-after-the-everett-massacre-were-still-learning-more/ |access-date=2022-12-08 |website=HeraldNet.com |language=en-US}}</ref><ref>{{Cite web |last=Committee |first=The Editorial |date=2019-08-02 |title=Know the Union: General Executive Board Member Tuck |url=https://industrialworker.org/know-the-union-general-executive-board-member-tuck/ |access-date=2022-12-08 |website=Industrial Worker |language=en-US}}</ref><ref>{{Cite web |last=L |first=Alana |date=2021-04-19 |title=Carlos Cortéz: Building a Ship We Might Not Sail On |url=https://seattleiww.org/2021/04/18/carlos-cortez-building-a-ship-we-might-not-sail-on/ |access-date=2022-12-08 |website=Seattle Industrial Workers of the World |language=en}}</ref> He is the current secretary of the Whatcom-Skagit IWW branch.<ref>{{Cite news |last=Gallagher |first=Dave |date=September 15, 2022 |title=Employees at this Bellingham retail business forming a union. Here are the details |work=[[The Bellingham Herald]] |url=https://www.bellinghamherald.com/news/business/article265809406.html |access-date=November 26, 2022 |quote=''Workers at Bellingham store West Marine decide to form a union {{!}} Bellingham Herald''}}</ref><ref>{{Cite web |last=Committee |first=The Editorial |date=2019-08-02 |title=Know the Union: General Executive Board Member Tuck |url=https://industrialworker.org/know-the-union-general-executive-board-member-tuck/ |access-date=2022-12-10 |website=Industrial Worker |language=en-US}}</ref><ref>{{Cite web |title=Bisbee Deportation - Libcom.org |url=https://archive.iww.org/PDF/IndustrialWorker/IWSummer2017-IWW.pdf |website=iww.org |series=SUMMER 2017 #1780 VOLUME 114 NO. 3 |page=6}}</ref>
Tucker is a member of the [[Industrial Workers of the World]].<ref>{{Cite web |last=x331980 |first=Tuck |date=2022-11-04 |title=Bloody Sunday: The 1916 Everett Massacre |url=https://industrialworker.org/bloody-sunday-the-1916-everett-massacre/ |access-date=2022-12-10 |website=Industrial Worker |language=en-US}}</ref> He served as the [[List of general secretary-treasurers of the Industrial Workers of the World|General Secretary-Treasurer]] in the union’s Chicago headquarters in 1983,<ref>{{Cite web |title=General Secretary-Treasurers of the IWW {{!}} Industrial Workers of the World |url=https://archive.iww.org/headquarters/oldgst/ |access-date=2022-12-08 |website=archive.iww.org}}</ref><ref>{{cite news |last=Williams |first=Mary |date=August 17, 1983 |title=For the 'Wobblies,' A Shaky Economy Aids in 'Comeback' |work=[[The Wall Street Journal]] |quote= That doesn't sound very revolutionary; but in his museumlike office in Chicago, secretary-treasurer Dave Tucker insists the group still holds valid its founding premise: "The working class and the employing class have nothing in common..."}}</ref> and several terms on the General Executive Board,<ref>{{Cite web |title=IWW: DAVID TUCKER, EXECUTIVE BOARD MEMBER |url=https://www.unionfacts.com/local/employee/70232/IWW/0/DAVID/TUCKER |access-date=2022-12-08 |website=Union Facts |language=en}}</ref> most recently in 2017-2019.<ref>{{Cite web |date=2016-10-29 |title=100 years after Everett Massacre we're still learning more |url=https://www.heraldnet.com/news/100-years-after-the-everett-massacre-were-still-learning-more/ |access-date=2022-12-08 |website=HeraldNet.com |language=en-US}}</ref><ref>{{Cite web |last=Committee |first=The Editorial |date=2019-08-02 |title=Know the Union: General Executive Board Member Tuck |url=https://industrialworker.org/know-the-union-general-executive-board-member-tuck/ |access-date=2022-12-08 |website=Industrial Worker |language=en-US}}</ref><ref>{{Cite web |last=L |first=Alana |date=2021-04-19 |title=Carlos Cortéz: Building a Ship We Might Not Sail On |url=https://seattleiww.org/2021/04/18/carlos-cortez-building-a-ship-we-might-not-sail-on/ |access-date=2022-12-08 |website=Seattle Industrial Workers of the World |language=en}}</ref> He is the current secretary of the Whatcom-Skagit IWW branch.<ref>{{Cite news |last=Gallagher |first=Dave |date=September 15, 2022 |title=Employees at this Bellingham retail business forming a union. Here are the details |work=[[The Bellingham Herald]] |url=https://www.bellinghamherald.com/news/business/article265809406.html |access-date=November 26, 2022 |quote=''Workers at Bellingham store West Marine decide to form a union {{!}} Bellingham Herald''}}</ref><ref>{{Cite web |last=Committee |first=The Editorial |date=2019-08-02 |title=Know the Union: General Executive Board Member Tuck |url=https://industrialworker.org/know-the-union-general-executive-board-member-tuck/ |access-date=2022-12-10 |website=Industrial Worker |language=en-US}}</ref><ref>{{Cite web |title=Bisbee Deportation - Libcom.org |url=https://archive.iww.org/PDF/IndustrialWorker/IWSummer2017-IWW.pdf |website=iww.org |series=SUMMER 2017 #1780 VOLUME 114 NO. 3 |page=6}}</ref>


==Bibliography==
==Bibliography==
*Tucker, D.S., 2006, [https://www.geosociety.org/maps/2006-DMCH003/ Cross section through the Hannegan Caldera]: Geological Society of America Digital Map and Chart Series 3, 2 sheets, scale: 1:24,000, doi:[[doi:10.1130/2006.DMCH003|10.1130/2006.DMCH003]].
*{{Cite journal |last=Tucker |first=David S. |date=2006 |title=Geologic Map of the Pliocene Hannegan Caldera, North Cascades, Washington |url=https://doi.org/10.1130/2006.DMCH003 |journal=Geological Society of America Digital Maps |doi=10.1130/2006.dmch003}}
*{{Cite book |last=Stelling |first=Pete |url=https://pubs.geoscienceworld.org/gsa/books/book/797/Floods-Faults-and-Fire |title=Floods, Faults, and Fire |last2=Tucker |first2=David S. |date=2007 |publisher=Geological Society of America |isbn=978-0-8137-5609-7 |language=en |doi=10.1130/9780813700090}}
*Tucker, D.S.; Hildreth, W.; Ullrich, T.; Friedman, R. (2007). "Geology and complex collapse mechanisms of the 3.72 Ma Hannegan caldera, North Cascades, Washington, USA". Geol. Soc. Am. Bull. '''119''' (3/4): 329–342.
⚫
**{{Cite journal |last=Tucker |first=David S. |last2=Scott |first2=Kevin M. |last3=Lewis |first3=David R. |date=2007 |title=Field guide to Mount Baker volcanic deposits in the Baker River valley: Nineteenth century lahars, tephras, debris avalanches, and early Holocene subaqueous lava |url=https://volcanoes.usgs.gov/vsc/file_mngr/file-48/Baker-field-guide-Tucker-GSA2007.pdf |journal=Geological Society of America |language=en |doi=10.1130/2007.fld009(04) |id={{s2cid|56436105}}}}
*Tucker, D.S. (2006). "Geologic map of the Pliocene Hannegan caldera, North Cascades, Washington (accompanying text)" (PDF). Digital map and Chart Series. '''3'''. Geological Society of America
*{{Cite journal |last=Tucker |first=D. |last2=Hildreth |first2=W. |last3=Ullrich |first3=T. |last4=Friedman |first4=R. |date=2007 |title=Geology and complex collapse mechanisms of the 3.72 Ma Hannegan caldera, North Cascades, Washington, USA |url=https://doi.org/10.1130/B25904.1 |journal=Geological Society of America Bulletin |volume=119 |issue=3-4 |pages=329–342 |bibcode=2007GSAB..119..329T |doi=10.1130/b25904.1 |issn=0016-7606 |id={{s2cid|128417330}} [https://www.researchgate.net/publication/249527328 ResearchGate] [https://www.usgs.gov/publications/geology-and-complex-collapse-mechanisms-372-ma-hannegan-caldera-north-cascades USGS]}}
⚫
*Tucker, David; Scott, Kevin; Lewis, David. (2007). Field guide to Mount Baker volcanic deposits in the Baker River valley: Nineteenth century lahars, tephras, debris avalanches, and early Holocene subaqueous lava.
**{{Cite journal |last=Tucker |first=D. |display-authors=etal |date=2007 |title=Supplemental material: Geology and complex collapse mechanisms of the 3.72 Ma Hannegan caldera, North Cascades, Washington, USA |url=https://gsapubs.figshare.com/articles/journal_contribution/Supplemental_material_Geology_and_complex_collapse_mechanisms_of_the_3_72_Ma_Hannegan_caldera_North_Cascades_Washington_USA/12346208/1 |journal=Geological Society of America Data Repository |language=en |doi=10.1130/2007008}}
*Tucker, David S, (2008). “ Two-phase, reciprocal, double trapdoor collapse at Hannegan caldera, North Cascades, Washington,USA”.  IOP Conf. Ser.: Earth Environ. Sci. '''3''' 012011 <nowiki>https://iopscience.iop.org/article/10.1088/1755-1307/3/1/012011</nowiki>
*{{Cite journal |last=Tucker |first=David S. |date=2008 |title=Two-phase, reciprocal, double trapdoor collapse at Hannegan caldera, North Cascades, Washington, USA |url=https://iopscience.iop.org/article/10.1088/1755-1307/3/1/012011/pdf |journal=IOP Conference Series: Earth and Environmental Science |language=en |volume=3 |issue=1 |pages=012011 |bibcode=2008E&ES....3a2011T |doi=10.1088/1755-1307/3/1/012011 |issn=1755-1315 |id={{s2cid|128417330}}}}
*Tucker, David S., and Scott, Kevin M, (2009), Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington Journal of Volcanology and Geothermal Research 185(4):311-322
*{{Cite journal |last=Tucker |first=David S. |last2=Scott |first2=Kevin M. |date=2009 |title=Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington |url=https://www.sciencedirect.com/science/article/pii/S0377027308006276 |journal=Journal of Volcanology and Geothermal Research |series=Volcano-Ice Interactions on Earth and Mars: the state of the science |language=en |volume=185 |issue=4 |pages=311–322 |bibcode=2009JVGR..185..311T |doi=10.1016/j.jvolgeores.2008.11.028 |issn=0377-0273}}
*{{cite book|first=Dave|last=Tucker|editor=John Scurlock|date=November 2011|isbn=978-0-9826154-7-8|title= Snow & Spire: Flights to Winter in the North Cascade Range|publisher=Wolverine Publishing}} (contributed essays)<ref name="Martin2011" />
*{{cite book |first=John |last=Scurlock |date=2011 |isbn=9780982615478 |url=https://www.wolverinepublishing.com/store/snow-and-spire/ |title=Snow & Spire: Flights to Winter in the North Cascade Range |last2=Tucker |first2=David |last3=Skoog |first3=Lowell |publisher=Wolverine Publishing}}
*{{citation|last1=Mustoe|first1=G.|last2=Tucker|first2=D.|last3=Kemplin|first3=K|year=2012|title=Giant Eocene bird footprints from northwest Washington, USA|journal=Palaeontology|volume=55|number=6|pages=1293–1305|doi=10.1111/j.1475-4983.2012.01195.x|doi-access=free}}
*{{Cite journal |last=Mustoe |first=George E. |last2=Tucker |first2=David S. |last3=Kemplin |first3=Keith L. |date= 2012 |title=Giant Eocene bird footprints from Northwest Washington, USA: GIANT EOCENE BIRD TRACKS |url=https://onlinelibrary.wiley.com/doi/epdf/10.1111/j.1475-4983.2012.01195.x |journal=Palaeontology |language=en |volume=55 |issue=6 |pages=1293–1305 |doi=10.1111/j.1475-4983.2012.01195.x}}
*Tucker, David; Scott, Kevin; Grossman, Eric E.; Linneman, Scott. (2014). Mount Baker lahars and debris flows, ancient, modern and future
*{{Cite journal |last=Tucker |first=David S. |last2=Scott |first2=Kevin M. |last3=Grossman |first3=Eric E. |last4=Linneman |first4=Scott |date=2014 |title=Mount Baker lahars and debris flows, ancient, modern, and future |url=https://pubs.geoscienceworld.org/gsa/books/book/912/chapter/4669555/Mount-Baker-lahars-and-debris-flows-ancient-modern |journal=Geological Society of America |language=en |doi=10.1130/2014.0038(03) |id={{s2cid|128435917}} [https://pubs.er.usgs.gov/publication/70150351 USGS]}}
*{{cite book|first=Dave|last=Tucker|title=Geology Underfoot in Western Washington|publisher=Mountain Press Publishing|year=2015|isbn=9780878426409}}
*{{cite book|first=Dave|last=Tucker|title=Geology Underfoot in Western Washington|publisher=Mountain Press Publishing|year=2015|isbn=9780878426409}}
*Scott, K.M., Tucker, D.S., Riedel, J.L., Gardner, C.A., and McGeehin, J.P., (2020), Latest Pleistocene to present geology of Mount Baker Volcano, northern Cascade Range, Washington: U.S. Geological Survey Professional Paper 1865, 170 p., <nowiki>https://doi.org/10.3133/pp1865</nowiki>
*{{Cite journal |last=Scott |first=Kevin M. |last2=Tucker |first2=David S. |last3=Riedel |first3=Jon L. |last4=Gardner |first4=Cynthia A. |last5=McGeehin |first5=John P. |date=2020 |title=Latest Pleistocene to present geology of Mount Baker Volcano, northern Cascade Range, Washington |url=https://pubs.usgs.gov/pp/1865/pp1865.pdf |journal=U.S. Geological Survey Professional Paper 1865 |location=Reston |doi=10.3133/pp1865 |issn=2330-7102 |oclc=1235102680 |id=[https://rochester.primo.exlibrisgroup.com/discovery/fulldisplay?context=L&vid=01ROCH_INST:UR01&search_scope=MyInst_and_CI&tab=Everything&docid=alma9978290640205216 University of Rochester]}}


==References==
==References==

Revision as of 23:09, 13 January 2023

David Samuel Tucker[1][2] is a geologist in Washington state. He is a research associate at Western Washington University.[3] He was an instructor at North Cascades Institute,[4] and the director of the Mount Baker Volcano Research Center (now closed).[5][6][7][8] He writes the blog "Northwest Geology Field Trips", a blog aimed at laypeople detailing where to find interesting geology in the Pacific Northwest.[9]: 55  In 2015, he published a popular book on Washington geology, Geology Underfoot in Western Washington.[10][11][12][13] He resides in Bellingham, Washington.[14] In the 1980s he worked as a mountaineering guide in the Cascades, Mexico, and South America.[15]

Tucker is a graduate of Western Washington University: 1974 (BS- Huxley College of the Environment) and 2004 (MS- Geology).[16]

Geology research

Tucker’s geologic research focuses on volcanic rocks in the Mount Baker region in the northwestern portion of the North Cascades.[17] Tucker obtained a masters degree in geology at Western Washington University in 2004. His thesis mapped and described the previously little known and undefined Hannegan caldera, including geochemistry of related rocks. The 3.72-million-year-old Hannegan caldera is in the North Cascades National Park a few miles northeast of Mount Shuksan. The caldera is 8x3.5 km in area. Tucker estimated the erupted volume at around 140 km3 of rhyolite magma. The caldera is traversed by trails to Hannegan Pass, Copper Ridge, and the Chilliwack River. Ruth Mountain, Icy Peak and Hannegan Peak are the dominant geographic features in the caldera.[18][19][20]

Tucker assisted USGS geologist Wes Hildreth in field work that resulted in the first detailed geologic map of Mount Baker.[21][22] He also collaborated with USGS geologist Kevin M. Scott to characterize Holocene eruption history at Mount Baker, including formation of Sherman Crater, eruption of volcanic ash (tephras) and lahars. Their research culminated in a 2020 USGS Professional Paper.[23][24]

A focus of research has been a description of the entrance of the Sulphur Creek lava flow into Glacial Lake Baker 9800 years ago.[25][26]

Tucker has also collaborated on studies of Mount Baker glaciers.[27][28][29]

From 2007 to 2013, Tucker led teams of volunteers to Sherman Crater at 9500 feet on the south flank of Mount Baker to collect fumaroles gas samples for a USGS study of hazards and potential activity at Mount Baker. He also led a team that made an ice-radar transect[30] to reveal the thickness of ice filling the 12,000- year-old Carmelo Crater[31] at the summit plateau of Mount Baker.[32][33][34][35]

In 2012, Tucker, George Mustoe, and Keith Kemplin published a paper that described the fossil footprints believed to belong to Gastornis, also known as Diatryma, a giant flightless bird in the Eocene Chuckanut Formation of Whatcom County. The track, preserved in a large sandstone slab, was found in the 2009 Racehorse Creek landslide. It was preserved by a volunteer team coordinated by Tucker and flown off the mountainside using a large helicopter to Western Washington University’s Geology Department.[36][37][38][39][40][41]

IWW

Tucker is a member of the Industrial Workers of the World.[42] He served as the General Secretary-Treasurer in the union’s Chicago headquarters in 1983,[43][44] and several terms on the General Executive Board,[45] most recently in 2017-2019.[46][47][48] He is the current secretary of the Whatcom-Skagit IWW branch.[49][50][51]

Bibliography

References

  1. ^ "David Samuel Tucker: Lecturer | Western Washington University (WWU)". OpenPayrolls. Retrieved 2022-12-08.
  2. ^ Tucker, David Samuel (2015). Geology Underfoot in Western Washington. Mountain Press Publishing Company. ISBN 978-0-87842-640-9. David Samuel Tucker
  3. ^ "David Tucker: Research Associate". geology.wwu.edu. Retrieved 2022-12-08.
  4. ^ "North Cascades Institute". ncascades.org. Retrieved 2022-12-08.
  5. ^ Kate Webb (November 6, 2012), "Mount Baker photos taken 100 years apart show startling glacial recession", Metro News (Canada)
  6. ^ "Mount Baker Volcano Research Center: Home Page". www.mbvrc.wwu.edu. Director is Dave Tucker; Webmaster is David Hirsch. Western Washington University. Retrieved December 7, 2022.{{cite web}}: CS1 maint: others (link)
  7. ^ "Dave Tucker — North Cascades Institute". ncascades.org. Retrieved 2022-12-08.
  8. ^ Stephanie Ashton (April 26, 2010), "What lies beneath: Northwest Geology Field Trips", Foothills Gazette, Lynden, Washington, archived from the original on 2010-12-17, retrieved 2015-06-11
  9. ^ Romaine, Garret (2013), Modern Rockhounding and Prospecting Handbook, Rowman & Littlefield, ISBN 9781493004690
  10. ^ "Rock trail brings dramatic geology up close", The Seattle Times, 2014-11-05
  11. ^ "Learn about local geology with Dave Tucker on May 11", Bellingham Herald, May 10, 2015
  12. ^ Mira Casteel (May 15, 2015), "Western geologist speaks on launch of new book", The Western Front, Western Washington University
  13. ^ Dean Kahn (May 18, 2015), "Bellingham geologist writes Western Washington guidebook", Bellingham Herald
  14. ^ Author biography, Mountain Press, retrieved 2015-06-10
  15. ^ "Page for Dave Tucker - Peakbagger.com". www.peakbagger.com. Retrieved 2022-12-08.
  16. ^ "'Bird Herd' brings prehistoric bird's footprint to WWU", Window Magazine, Western Washington University, Spring–Summer 2015, archived from the original on 2016-03-04, retrieved 2015-06-11
  17. ^ "Dave Tucker | Western Today". westerntoday.wwu.edu. Retrieved 2022-12-08.
  18. ^ Tucker, D.S.; Hildreth, W.; Ullrich, T.; Friedman, R. (2007). "Geology and complex collapse mechanisms of the 3.72 Ma Hannegan caldera, North Cascades, Washington, USA". Geol. Soc. Am. Bull. 119 (3/4): 329–342.
  19. ^ Tucker, D.S. (2006). "Geologic map of the Pliocene Hannegan caldera, North Cascades, Washington (accompanying text)" (PDF). Digital map and Chart Series. 3. Geological Society of America
  20. ^ Tucker, David S, (2008). “ Two-phase, reciprocal, double trapdoor collapse at Hannegan caldera, North Cascades, Washington,USA”.  IOP Conf. Ser.: Earth Environ. Sci. 3 012011 https://iopscience.iop.org/article/10.1088/1755-1307/3/1/012011
  21. ^ Hildreth, Wes; Fierstein, Judy; Lanphere, Marvin (2003-06-01). "Eruptive history and geochronology of the Mount Baker volcanic field, Washington". Geological Society of America Bulletin. 115 (6). 115: 729–764. Bibcode:2003GSAB..115..729H. doi:10.1130/0016-7606(2003)115<0729:EHAGOT>2.0.CO;2. ISSN 0016-7606.{{cite journal}}: CS1 maint: url-status (link)
  22. ^ Tucker, David & Scott, Kevin & Lewis, David. (2007). Field guide to Mount Baker volcanic deposits in the Baker River valley: Nineteenth century lahars, tephras, debris avalanches, and early Holocene subaqueous lava.
  23. ^ Tucker, David & Scott, Kevin & Grossman, Eric E. &Linneman, Scott. (2014). Mount Baker lahars and debris flows, ancient, modern and future
  24. ^ Scott, K.M., Tucker, D.S., Riedel, J.L., Gardner, C.A., and McGeehin, J.P., 2020, Latest Pleistocene to present geology of Mount Baker Volcano, northern Cascade Range, Washington: U.S. Geological Survey Professional Paper 1865, 170 p., https://doi.org/10.3133/pp1865
  25. ^ Tucker, David S., and Scott, Kevin M, 2009, Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington Journal of Volcanology and Geothermal Research 185(4):311-322
  26. ^ Tucker, David S.; Scott, Kevin M. (2009-09-10). "Structures and facies associated with the flow of subaerial basaltic lava into a deep freshwater lake: The Sulphur Creek lava flow, North Cascades, Washington". Journal of Volcanology and Geothermal Research. Volcano-Ice Interactions on Earth and Mars: the state of the science. 185 (4): 311–322. doi:10.1016/j.jvolgeores.2008.11.028. ISSN 0377-0273.
  27. ^ "Neoglacial fluctuations of Deming Glacier, Mt. Baker, Washington USA". January 2007.
  28. ^ "New stratigraphic constraints on Holocene glacier advances at Mt. Baker, Washington". January 2007.
  29. ^ Christian Martin (December 7, 2011), "Book captures soaring views of North Cascades in winter", Crosscut.com
  30. ^ "Abstract: MORPHOLOGY OF MOUNT BAKER'S CARMELO (SUMMIT) CRATER REVEALED BY ICE-PENETRATING RADAR (2009 Portland GSA Annual Meeting (18-21 October 2009))". gsa.confex.com. Retrieved 2022-12-07.
  31. ^ "Mount Baker - 140,000 years ago to present | U.S. Geological Survey". www.usgs.gov. Retrieved 2022-12-07.
  32. ^ Tucker, D. "Tour of Sherman Crater, Mount Baker". D Tucker – via YouTube.
  33. ^ Tucker, D. "Fumarole gas sampling, Sherman Crater, Mount Baker". D Tucker – via YouTube.
  34. ^ "Mount Baker Volcano Research Center: Geochemistry". mbvrc.wwu.edu. Retrieved 2022-12-07.
  35. ^ Werner, C., Evans, W. C., Poland, M. P., Tucker, D. & Doukas, M. P. (2009). Long-term changes in quiescent degassing at Mount Baker Volcano, Washington, USA; Evidence for a stalled intrusion in 1975 and connection to a deep magma source. Journal of Volcanology and Geothermal Research , 186, p. 379-386.
  36. ^ pskhun (November 25, 2012), "Rivavipes giganteus: Giant Eocene bird footprints from northwest Washington, USA", Novataxa: Species new to science
  37. ^ Brian Switek (November 14, 2012), "Eocene bird not so scary, after all", Wired Science, Wired
  38. ^ "General Membership Meeting with Dave Tucker: Diatryma - Huge, Flightless Bird of the Chuckanut" (PDF), The Avalanche, vol. 43, no. 8, North Cascades Audubon Society, November 2012
  39. ^ Mustoe, George E.; Tucker, David S.; Kemplin, Keith L. (August 29, 2013). "Giant Eocene bird footprints from Northwest Washington, USA: GIANT EOCENE BIRD TRACKS". Palaeontology. 55 (6): 1293–1305. doi:10.1111/j.1475-4983.2012.01195.x. S2CID 55949124.
  40. ^ "Fossil discovered by WWU geologists proves local existence of giant flightless bird 50M years ago | Western Today | Western Washington University". westerntoday.wwu.edu. Retrieved 2022-12-08.
  41. ^ Trips, New Eocene painting at WWU Geology museum « Northwest Geology Field; March 2, on; Said, 2012 at 2:45 Pm (2010-10-19). "Ancient track of giant bird Diatryma now on display at WWU". Northwest Geology Field Trips. Retrieved 2022-12-08.{{cite web}}: CS1 maint: numeric names: authors list (link)
  42. ^ x331980, Tuck (2022-11-04). "Bloody Sunday: The 1916 Everett Massacre". Industrial Worker. Retrieved 2022-12-10.{{cite web}}: CS1 maint: numeric names: authors list (link)
  43. ^ "General Secretary-Treasurers of the IWW | Industrial Workers of the World". archive.iww.org. Retrieved 2022-12-08.
  44. ^ Williams, Mary (August 17, 1983). "For the 'Wobblies,' A Shaky Economy Aids in 'Comeback'". The Wall Street Journal.  That doesn't sound very revolutionary; but in his museumlike office in Chicago, secretary-treasurer Dave Tucker insists the group still holds valid its founding premise: "The working class and the employing class have nothing in common..."
  45. ^ "IWW: DAVID TUCKER, EXECUTIVE BOARD MEMBER". Union Facts. Retrieved 2022-12-08.
  46. ^ "100 years after Everett Massacre we're still learning more". HeraldNet.com. 2016-10-29. Retrieved 2022-12-08.
  47. ^ Committee, The Editorial (2019-08-02). "Know the Union: General Executive Board Member Tuck". Industrial Worker. Retrieved 2022-12-08.
  48. ^ L, Alana (2021-04-19). "Carlos Cortéz: Building a Ship We Might Not Sail On". Seattle Industrial Workers of the World. Retrieved 2022-12-08.
  49. ^ Gallagher, Dave (September 15, 2022). "Employees at this Bellingham retail business forming a union. Here are the details". The Bellingham Herald. Retrieved November 26, 2022. Workers at Bellingham store West Marine decide to form a union | Bellingham Herald
  50. ^ Committee, The Editorial (2019-08-02). "Know the Union: General Executive Board Member Tuck". Industrial Worker. Retrieved 2022-12-10.
  51. ^ "Bisbee Deportation - Libcom.org" (PDF). iww.org. SUMMER 2017 #1780 VOLUME 114 NO. 3. p. 6.

External links

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