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Edelman Fossil Park of Rowan University

Edelman Fossil Park

Edelman Fossil Park, located in Mantua, New Jersey, is comprised of a 66-million-year-old 6-inch bone bed set into a 65-acre former marl quarry.[1] It is currently the only facility east of the Mississippi River that has an active open quarry for public Community Dig Days.[2] Formed at the end of the Cretaceous Period during the Cretaceous-Paleogene extinction event, this rich fossil deposit is abundant in marine life which is indicative of the shallow sea that once covered the area that would become Southern New Jersey. Currently, the fossil park is undergoing renovations to become the site of the Edelman Fossil Park Museum but will continue to be available for school, scout, camp, and public programs. The Edelman Fossil Park is owned and operated by Rowan University in Glassboro, New Jersey thanks in part to a $25 million donation from Jean and Ric Edelman.

Geology

File:Map of NJ NJDEP bedrock geologic map.jpg
NJDEP Bedrock Geologic Map of New Jersey
File:Rutgers Coastal Plains Sediment Facies.jpg
Rutgers NJ Coastal Plains Sediment Facies

The bedrock of Gloucester County, where Edelman Fossil Park is located, is composed of alternating layers of sand, silt, and clay due to fluctuating sea levels since the Cretaceous.  These sedimentary sequences are known as facies[3]. Sedimentary rocks of this area have been dated from between the Lower Cretaceous to the Miocene (145 to 5.3 mya)[4]. The entire area of Southern New Jersey is known as the Coastal Plain. It was submerged under a shallow sea until the late Pliocene when the oceans receded as the Greenland Ice Sheet formed 3 million years ago[5]. The Coastal Plain begins on a southeast diagonal between Carteret and Trenton with sediments overlapping the rockier Piedmont formation to the northwest.

The specific layer in which the fossils are located is known as marl - a dark to light green, manganese-rich, clay that forms when algae, aquatic plants, and aquatic animals decay over a long period in hard-water streams rich in calcium carbonate[6]. This layer is typically located in swamps, resulting in a covering of a dark organic-rich layer of peat. Because of marl's formation as the result of decaying plants and algae in sediment, it is a great harborer of fossils including numerous invertebrates, Hadrosaurus, Dryptosaurus, Mosasaurus, and many others.

Within marl sediments is the mineral Vivianite (Fe2+3(PO4)2 · 8H2O) that forms as a result of oxidation-reduction reactions[7]. This deep blue to bluish-green crystal begins to oxidize in the presence of Oxygen, converting Fe2+ to Fe3+ until the blue color becomes almost black and opaque[8]. Because of this inevitable darkening, there is no such thing as stable vivianite.

Site History

  • 66 mya: Chicxulub asteroid crashes into earth off the coast of what is now the Yucutan Peninsula in Mexico, completely killing all dinosaurs (except those that evolved into modern birds), and three-quarters of all life on earth[9]
  • 1858: Just a few miles away from the Fossil Park in Haddonfield, NJ, the first complete dinosaur skeleton (a Hadrosaurus) to ever be mounted and exhibited is discovered[10]
  • 1866: Edward D. Cope discovers the tyrannosauroid, Dryptosaurus,[11] one mile away from the Fossil Park site in Ceres Park
  • 1920s: Operational quarry - The Inversand Company begins dredging the quarry for manganese greensand, sold as an organic fertilizer and water treatment product[12]
  • 1930s: Inversand workers uncover fossils in the quarry, and researchers are invited in to investigate alongside quarry workers
  • 2008: Mantua Twp names forested land behind Lowe's on Woodbury-Glassboro Rd. part of a redevelopment zone[13]
  • 2012: Citizen Science - Dr. Kenneth Lacovara (Drexel University) partners with Michelle Bruner (Mantua Township) to start "Community Dig Days", bringing almost 2,000 visitors per event to dig at the Fossil Park[14]
  • 2014: While at Drexel University, Dr. Kenneth Lacovara discovers the titanosaurian sauropod, Dreadnoughtus[15]
  • 2014: Dr. Kenneth Lacovara meets with Rowan University president, Dr. Ali A. Houshmand about purchasing the Inversand quarry - he agrees with the premise that Dr. Lacovara would serve as the Fossil Park's Executive Director and Founding Dean of the newly created School of Earth & Environment at Rowan University[16]
  • 2015: Inversand ceases operations at the quarry due to the high cost of pumping water out of the quarry[17]
  • 2015: Inversand site purchased by Rowan University from the Inversand Company for $1.95 million[18]
  • 2015: Rowan University forms School of Earth & Environment, hiring Founding Dean Dr. Kenneth Lacovara[19]
  • 2016: Jean and Ric Edelman pledge $25 million toward the preservation and expansion of the Fossil Park, with plans to build a museum and science education facility[20]
  • 2017: Jean and Ric Edelman deemed conditional redevelopers of the land parcel owned by Mantua Twp[21]
  • 2019: Edelman Financial Services purchase a 40-acre wooded plot adjacent to fossil park from Mantua Township for $655,000[22]
  • 2021: Groundbreaking of the $73 million Edelman Fossil Park Museum of Rowan University[23]

Species of Interest

Dr. Lacovara with a Mosasaur vertebrae

Future Plans

Gateway to the Cretaceous

Key stakeholders at the Edelman Fossil Park at Rowan University broke ground on a $73 million new endeavor on October 9, 2021 - The Edelman Fossil Park Museum.[24] Construction of the museum is currently underway, and is scheduled to open in May 2023. Visitors to the museum will be transported to the moments surrounding earth's fifth mass extinction: the moments that led to a mass die-off when non-avian dinosaurs and 75% of all other species went extinct.

Edelman Fossil Park Museum


Guests will be immersed into the world of the Late Cretaceous as it looked in coastal New Jersey alongside both land-dwelling and aquatic creatures fighting for survival. The 44,000 square foot museum will feature interactives and hands-on learning stations, exploration zones, and a paleo-themed playground that are perfect for families. Elsewhere, the Hall of Extinction & Hope will help visitors understand what led to the dinosaurs' demise as well as what we can learn and do about our current climate and biodiversity crises. To provide guests with an even more hands-on learning experience, a Fossil Research Workshop, virtual reality chamber, and of course the fossil dig experience will be available. The Café will feature sustainable food options, and the museum's gift shop will offer items from local artisans.[25]

Sustainability

The Edelman Fossil Park Museum will be New Jersey's largest public net-zero facility, with 100% of its energy coming from a combination of green energy available in New Jersey's power grid and renewable energy produced on-site. The museum will feature geothermal water-source heat pump heating and cooling systems, a photovoltaic solar field, and the repurposing of on-site materials for interior construction and design. No fossil fuels will be combusted for museum operations and no greenhouse gasses will be released into the atmosphere. The surrounding grounds will utilize native plantings, and plant and animal habitats and other key landscape features will be restored as part of the design footprint.[26]

References

  1. ^ "Rowan alumni Jean and Ric Edelman commit $25 million for University's Fossil Park".
  2. ^ "Rowan University breaks ground on $73 million Fossil Park Museum".
  3. ^ "NJ Coastal Plain Sequences - Rutgers School of Arts & Sciences".
  4. ^ "NJDEP - NJGWS - Bedrock Geology of New Jersey" (PDF).
  5. ^ "Pliocene Epoch".
  6. ^ "Marl".
  7. ^ "The occurrence, identification, and environmental relevance of vivianite in waterlogged soils and aquatic sediments".
  8. ^ "Vivianite Geology".
  9. ^ Charles., Frankel (1999). The end of the dinosaurs : Chicxulub crater and mass extinctions. Cambridge University Press. ISBN 0-521-47447-7. OCLC 40298401.
  10. ^ "The Fossil Find that Showed Dinosaurs Were Real".
  11. ^ Lambe, L M (1904). "On Dryptosaurus incrassatus (Cope), from the Edmonton Series of the North West Territory". Geological Survey of Canada, Contributions to Canadian Palaeontology. doi:10.4095/106573.
  12. ^ "5 things everyone should know about Mantua's Inversand fossil site". 22 December 2014.
  13. ^ "Mantua sells 40 acres next to Rowan U Fossil Park".
  14. ^ "Rowan alumni Jean and Ric Edelman commit $25 million for University Fossil Park".
  15. ^ Voegele, Kristyn; Lamanna, Matt; Lacovara, Kenneth (2017). "Osteology of the dorsal vertebrae of the giant titanosaurian sauropod dinosaur Dreadnoughtus schrani from the Late Cretaceous of Argentina". Acta Palaeontologica Polonica. 62. doi:10.4202/app.00391.2017. ISSN 0567-7920.
  16. ^ Chang, Kenneth (4 January 2016). "Behind a Shopping Center in New Jersey Signs of a Mass Extinction". The New York Times.
  17. ^ Chang, Kenneth (4 January 2016). "Behind a Shopping Center in New Jersey, Signs of a Mass Extinction". The New York Times.
  18. ^ "Rowan alumni Jean and Ric Edelman commit $25 million for University's Fossil Park".
  19. ^ "Rowan University - School of Earth & Environment".
  20. ^ "Rowan alumni Jean and Ric Edelman commit $25 million for University's Fossil Park".
  21. ^ "Mantua sells 40 acres next to Rowan U Fossil Park".
  22. ^ "Mantua sells 40 acres next to Rowan U Fossil Park".
  23. ^ "Rowan breaks ground on $73 million Fossil Park museum".
  24. ^ "South Jersey will be transformed: Fossil museum coming to Gloucester County in 2023".
  25. ^ "Ennead - Jean and Ric Edelman Fossil Park and Museum of Rowan University".
  26. ^ "Rowan breaks ground on $73 million Fossil Park Museum".
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