Name/Title
Nut MoldEntry/Object ID
78.57.14Description
Assemblage Zone: sandstone
Chemical Composition: Si O2
Crystal System: Subhedral
Description: Family Juglandaceae
Genus: Carya
Species: C illinoinensis
Common name: Pecan nut molds
Age: Eocene
Location data: Clarno Formation, John Day Basin, Oregon, USA
Description: Mold of several nuts (15+) in tannish-brown sandstone, Delmar believed it was probably an animal cache from the John Day Basin in Oregon.
Size: 3.00"x 3.00"x 2.250"
Type of Fossils Present: Plants
Fracture: conchoidal
Grain Size: Fine
Hardness: 7 Quartz
Lithofacies: sedimentary
Luster: Vitreous
Occurrence: The story told in the rocks here began when volcanic eruptions of the Clarno entombed plants from a tropical environment 44 million years ago. Here there are a cluster of what was probably some animals cache of nuts whose imprint was left in the sandstone
Pressure: Moderate
Rock Color: Dark
Rock Origin: Marine/Freshwater
Rock Type: Sedimentary
Specific Gravity: 2.6
Surface Process: Not apparent
Temperature: Low
Texture: fine grain
Variety: The imprint made was deterimed to be that of a pecan.Collection
Fossil CollectionAcquisition
Accession
78.57Source or Donor
Delmar Smith Fossil CollectionAcquisition Method
DonationOther Names and Numbers
Other Number
Other Number: 1978.57.14Dimensions
Width
3 inDepth
2-1/4 inLength
3 inDimension Notes
Dimensions taken at widest pointsLocation
Location
Display Case
PW-8Room
Petrified Wood RoomBuilding
Crater Rock MuseumCategory
ExhibitMoved By
Jillian Mather KettleyDate
May 28, 2025Notes
Location update 