Glen Canyon Group: Difference between revisions

Add links
From Wikipedia, the free encyclopedia
Browse history interactively
← Previous editNext edit →
Content deleted Content added
VisualWikitext
Cite all locations
→‎History of investigation: SOurcing and clarification on early history of name
Line 40: Line 40:


==History of investigation==
==History of investigation==
There is no designated [[Type locality (geology)|type locality]] for this group. It was named by Gregory and Moore in 1931 for exposures in walls that form the [[Glen Canyon]] of the [[Colorado River (U.S.)|Colorado River]] in [[Coconino County, Arizona]] and [[San Juan County, Utah]]. An overview of the group was given three years before by Gilluly and Reeside. Baker revised the work and named the [[Kayenta Formation]] in 1936. The work was revised again in 1955 by Averitt and others.<ref name=AverittEtal2955/> They assigned the Shurtz Sandstone Tongue (new) and Lamb Point Tongue (new) to the [[Navajo Sandstone]], and Cedar City Tongue (new) and Tenney Canyon Tongue (new) to the Kayenta Formation. In 1957 Harshbarger and others created an overview and revision that assigned the [[Moenave Formation]] and divided the [[Wingate Sandstone]] into the newly named Rock Point and Lukachukai members. The group's age was modified by Lewis and others in 1961 and the upper contact was revised by Phoenix in 1963. Poole and Stewart attempted to reduce the group's rank to a formation they called the Glen Canyon Sandstone in 1964 (change not recognized by the USGS). Areal extent limits were revised by Wilson and Stewart in 1967 and again by Green in 1974. Peterson and Pipiringos revised the upper contact and created an overview in 1979. In 1989 the age of the group was modified by Padian<ref name="Padian1989"/> and separately by Dubiel (who also revised the lower contact). Condon modified the areal extent limits in 1992.<ref>For the whole section, except where noted: GEOLEX database Bibliographic References</ref>
There is no designated [[Type locality (geology)|type locality]] for this group. It was named by Gregory and Moore prior to 1928 for exposures in walls that form the [[Glen Canyon]] of the [[Colorado River (U.S.)|Colorado River]] in [[Coconino County, Arizona]] and [[San Juan County, Utah]], though their report was not published until 1931.<ref name="GregoryMoore1931">{{cite journal |last1=Gregory |first1=H.E. |last2=Moore |first2=R.C. |title=The Kaiparowits Region: A Geographic and Geologic Reconnaissance of Parts of Utah and Arizona |journal=U.S. Geological Survey Professional Paper |date=1931 |volume=164 |doi=10.3133/pp164}}</ref> The name had by then been published by Gilluly and Reeside, who gave an overview of the group.<ref name="GillulyReeside1928">{{cite journal |last1=Gilluly |first1=J. |last2=Reeside |first2=J.B., Jr. |title=Sedimentary rocks of the San Rafael Swell and some adjacent areas in eastern Utah |journal=U.S. Geological Survey Professional Paper |date=1928 |volume=150-D |doi=10.3133/pp150D}}</ref> Baker revised the work and named the [[Kayenta Formation]] in 1936. The work was revised again in 1955 by Averitt and others. They assigned the Shurtz Sandstone Tongue (new) and Lamb Point Tongue (new) to the [[Navajo Sandstone]], and Cedar City Tongue (new) and Tenney Canyon Tongue (new) to the Kayenta Formation.<ref name=AverittEtal2955/> In 1957 Harshbarger and others created an overview and revision that assigned the [[Moenave Formation]] and divided the [[Wingate Sandstone]] into the newly named Rock Point and Lukachukai members. The group's age was modified by Lewis and others in 1961 and the upper contact was revised by Phoenix in 1963. Poole and Stewart attempted to reduce the group's rank to a formation they called the Glen Canyon Sandstone in 1964 (change not recognized by the USGS). Areal extent limits were revised by Wilson and Stewart in 1967 and again by Green in 1974. Peterson and Pipiringos revised the upper contact and created an overview in 1979. In 1989 the age of the group was modified by Padian<ref name="Padian1989"/> and separately by Dubiel (who also revised the lower contact). Condon modified the areal extent limits in 1992.<ref>For the whole section, except where noted: GEOLEX database Bibliographic References</ref>


==Places found==
==Places found==

Revision as of 16:38, 28 October 2021

Glen Canyon Group
Stratigraphic range: Rhaetian–Toarcian
Glen Canyon Group in southeast Utah. At top are massive beds of Navajo Sandstone separated by thinner beds of the Kayenta Formation from massive beds at bottom of the Wingate Sandstone.
TypeGroup
Sub-units(oldest to youngest) Wingate Sandstone, Moenave Formation, Kayenta Formation, Navajo Sandstone

The Glen Canyon Group is a geologic group of formations that is spread across the U.S. states of Nevada, Utah, northern Arizona, north west New Mexico and western Colorado. It is called the Glen Canyon Sandstone in the Green River Basin of Colorado and Utah.[1]

There are four formations within the group. From oldest to youngest, these are the Wingate Sandstone, Moenave Formation, Kayenta Formation, and Navajo Sandstone.[2] Part of the Colorado Plateau and the Basin and Range,[3] this group of formations was laid down during the Late Triassic and Early Jurassic, with the Triassic-Jurassic boundary within the Wingate Sandstone.[4][5] The top of the Glen Canyon Group is thought to date to the Toarcian stage of the Early Jurassic.[6]

Asterisks (*) below indicate usage by the U.S. Geological Survey.

Subunits

The Permian through Jurassic stratigraphy of the Colorado Plateau area of southeastern Utah that makes up much of the famous prominent rock formations in protected areas such as Capitol Reef National Park and Canyonlands National Park. From top to bottom: Rounded tan domes of the Navajo Sandstone, layered red Kayenta Formation, cliff-forming, vertically-jointed, red Wingate Sandstone, slope-forming, purplish Chinle Formation, layered, lighter-red Moenkopi Formation, and white, layered Cutler Formation sandstone. Picture from Glen Canyon National Recreation Area, Utah.

Group rank (stratigraphic order):[2]

History of investigation

There is no designated type locality for this group. It was named by Gregory and Moore prior to 1928 for exposures in walls that form the Glen Canyon of the Colorado River in Coconino County, Arizona and San Juan County, Utah, though their report was not published until 1931.[15] The name had by then been published by Gilluly and Reeside, who gave an overview of the group.[16] Baker revised the work and named the Kayenta Formation in 1936. The work was revised again in 1955 by Averitt and others. They assigned the Shurtz Sandstone Tongue (new) and Lamb Point Tongue (new) to the Navajo Sandstone, and Cedar City Tongue (new) and Tenney Canyon Tongue (new) to the Kayenta Formation.[14] In 1957 Harshbarger and others created an overview and revision that assigned the Moenave Formation and divided the Wingate Sandstone into the newly named Rock Point and Lukachukai members. The group's age was modified by Lewis and others in 1961 and the upper contact was revised by Phoenix in 1963. Poole and Stewart attempted to reduce the group's rank to a formation they called the Glen Canyon Sandstone in 1964 (change not recognized by the USGS). Areal extent limits were revised by Wilson and Stewart in 1967 and again by Green in 1974. Peterson and Pipiringos revised the upper contact and created an overview in 1979. In 1989 the age of the group was modified by Padian[7] and separately by Dubiel (who also revised the lower contact). Condon modified the areal extent limits in 1992.[17]

Places found

Alcove in the Navajo Sandstone near Moab, Utah.

Geologic Province:[3]

Paleontology

Prehistoric animals from the various formations of the Glen Canyon Group include several types of dinosaurs, known from both skeletal remains and tracks. Dinosaur finds in the Wingate and Moenave formations are presently almost entirely tracks. The Kayenta Formation has a diverse skeletal fauna including the theropods "Syntarsus" kayentakatae and Dilophosaurus, the prosauropod Sarahsaurus, an unnamed heterodontosaurid, and the armored dinosaurs Scelidosaurus and Scutellosaurus. The Navajo Sandstone has body fossils of the theropod Segisaurus and an Ammosaurus-like prosauropod, and tracks.[6]

See also

Wikimedia Commons has media related to Glen Canyon Group.

References

Notes

  1. ^ Rowley, P.D.; Hansen, W.R. (1979). "Geologic map of the Plug Hat quadrangle, Moffat County, Colorado". U.S. Geological Survey Geologic Quadrangle Map. GQ-1514. Retrieved 28 October 2021.
  2. ^ a b c Harshbarger, J.W.; Repenning, C.A.; Irwin, J.H. (1957). "Stratigraphy of the uppermost Triassic and the Jurassic rocks of the Navajo country". United States Geological Survey Professional Paper. 291. doi:10.3133/pp291.
  3. ^ a b GEOLEX database
  4. ^ Lucas, S. G.; Heckert, A.B.; Estep, J.W.; Anderson, O.J. (1997). "Stratigraphy, biostratigraphy, and sequence stratigraphy of the Upper Triassic Chinle Group, Four Corners region" (PDF). New Mexico Geological Society Field Conference Series. 48: 81–107. Retrieved 28 October 2021.
  5. ^ Lucas, S.G.; Heckert, A.B.; Tanner, L.H. (2005). "Arizona's Jurassic fossil vertebrates and the age of the Glen Canyon Group". New Mexico Museum of Natural History and Science Bulletin. 29: 95–104. Retrieved 28 October 2021.
  6. ^ a b Weishampel, David B.; Barrett, Paul M.; Coria, Rodolfo A.; Le Loueff, Jean; Xu, Xing Zhao Xijin; Sahni, Ashok; Gomani, Elizabeth M.P.; Noto, Christopher N. (2004). "Dinosaur distribution". In Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (eds.). The Dinosauria (2nd ed.). Berkeley: University of California Press. pp. 517–606. ISBN 0-520-24209-2.
  7. ^ a b c d e Padian, Kevin (1 May 1989). "Presence of the dinosaur Scelidosaurus indicates Jurassic age for the Kayenta Formation (Glen Canyon Group, northern Arizona)". Geology. 17 (5): 438–441. doi:10.1130/0091-7613(1989)017<0438:POTDSI>2.3.CO;2.
  8. ^ Cater, F.W.; Craig, L.C. (1970). "Geology of the Salt Anticline region in southwestern Colorado, with a section on stratigraphy". U.S. Geological Survey Professional Paper. 637. doi:10.3133/pp637.
  9. ^ Cooper, Jack C. (1952). "Rattlesnake Oil and Gas Field San Juan County, New Mexico". Geological Symposium of the Four Corners Region. pp. 75–82. Retrieved 28 October 2021.
  10. ^ a b c Peterson, F.; Pipiringos, G.N. (1979). "Stratigraphic relations of the Navajo Sandstone to Middle Jurassic formations, southern Utah and northern Arizona". United States Geological Survey Professional Paper. 1035-B. doi:10.3133/pp1035B.
  11. ^ Stephens, Mark (May 1994). "Architectural element analysis within the Kayenta Formation (Lower Jurassic) using ground-probing radar and sedimentological profiling, southwestern Colorado". Sedimentary Geology. 90 (3–4): 179–211. doi:10.1016/0037-0738(94)90038-8.
  12. ^ Anderson, R.E.; Hintze, L.F. (1993). "Geologic map of the Dodge Spring quadrangle, Washington County, Utah and Lincoln County, Nevada". U.S. Geological Survey Geologic Quadrangle Map. GQ-1721. Retrieved 28 October 2021.
  13. ^ Jamison, W.R.; Stearns, D.W. (1982). "Tectonic Deformation of Wingate Sandstone, Colorado National Monument". AAPG Bulletin. 66. doi:10.1306/03B5AC7D-16D1-11D7-8645000102C1865D.
  14. ^ a b Averitt, P.; Detterman, J.S.; Harshbarger, J.W.; Repenning, C.A.; Wilson, R.F. (1955). "Revisions in Correlation and Nomenclature of Triassic and Jurassic Formations in Southwestern Utah and Northern Arizona: GEOLOGICAL NOTES". AAPG Bulletin. 39. doi:10.1306/5CEAE2E9-16BB-11D7-8645000102C1865D.
  15. ^ Gregory, H.E.; Moore, R.C. (1931). "The Kaiparowits Region: A Geographic and Geologic Reconnaissance of Parts of Utah and Arizona". U.S. Geological Survey Professional Paper. 164. doi:10.3133/pp164.
  16. ^ Gilluly, J.; Reeside, J.B., Jr. (1928). "Sedimentary rocks of the San Rafael Swell and some adjacent areas in eastern Utah". U.S. Geological Survey Professional Paper. 150-D. doi:10.3133/pp150D.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  17. ^ For the whole section, except where noted: GEOLEX database Bibliographic References

Works cited

Retrieved from "https://en.wikipedia.org/w/index.php?title=Glen_Canyon_Group&oldid=1052339341"