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Description
North America, western United States, Upper Cretaceous, ca. 86 to 66 million years ago. A beautiful horned ammonite fossil with a pearlescent shimmer, partially excavated from the gray stone matrix surrounding. The shell not only fossilized, but also formed an opalescent surface due to the presence of aragonite. The ribbed exterior and rows of nubbin protrusions indicates this is an ammonite in the Discoscaphites genus, which lived in the Western Interior Seaway that once covered parts of North America. The surrounding stone concretion contains impressions and fragments from other prehistoric shells and marine organisms. The matrix has been cut flat to create a free-standing display. Size of stone matrix: 6" L x 3.5" W x 3.75" H (15.2 cm x 8.9 cm x 9.5 cm); fossil: 2" Diameter (5.1 cm)
Provenance: private Van Buskirk collection, Tucson, Arizona USA
All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back.
A Certificate of Authenticity will accompany all winning bids.
We ship worldwide to most countries and handle all shipping in-house for your convenience.
#183921
Provenance: private Van Buskirk collection, Tucson, Arizona USA
All items legal to buy/sell under U.S. Statute covering cultural patrimony Code 2600, CHAPTER 14, and are guaranteed to be as described or your money back.
A Certificate of Authenticity will accompany all winning bids.
We ship worldwide to most countries and handle all shipping in-house for your convenience.
#183921
Condition
Professionally excavated and prepared. Some chipping to ammonite opalescent surface layers, and natural fissures and striations. The matrix is cut to stand upright as a display piece.
Buyer's Premium
- 27.5%
Fine Ammonite Fossil in Freestanding Matrix
US$700.00
US$1,050
3 bidders are watching this item.
Shipping & Pickup Options
Item located in Louisville, CO, USOffers In-House Shipping
Local Pickup Available
Payment
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Auction Curated By
Owner/Executive Director, Antiquities & Pre-Columbian Art
PhD. Art History, Director, Fine & Visual Arts
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