Name/Title
Petrified WoodEntry/Object ID
05.58.210Description
Assemblage Zone: sedimentary
Chemical Composition: Si O2
Crystal System: Hexagonal
Description: Family: Leguminosae
Genus: Glesitssa
Common name: Honey Locust
Age: Miocene
Location data: Columbia River Basalt Formation, Vantage, WA
Description: Doug Foster recorded: Petrified wood. Slab formed from butt cut of a round. Tan and yellow-tan rind. Tan, gray, brown, and orange-brown face.
Type of Fossils Present: Plants
Grain Size: Fine
Hardness: 7 Quartz
Lithofacies: flood basalts
Luster: Glassy
Occurrence: Silicified wood, which is the fossilization and opalization of organic woody matter by the deposation of SiO2 in a anaerobic environment to prevent decay. This means that the wood must somehow be buried in an oxygen free enviroment, possibly in the silt-laden river or the bottom of a lake or buried by volcanic ash.
Pressure: Low-Moderate
Rock Color: Medium
Rock Origin: Terrestrial
Rock Type: Sedimentary
Specific Gravity: 2.6
Surface Process: Not apparent
Temperature: Low
Texture: microcrystalline
Variety: Petrified woods here are hydrous microcrystalline variety of quartz that can be generally termed as chalcedony or opal.Collection
Petrified Wood CollectionDimensions
Height
8-1/2 inWidth
2 inLength
7-5/16 inDimension Notes
Dimensions taken at widest pointsLocation
Location
Container
Back RowDrawer
BottomShelf
Right, RightBuilding
Founders RoomCategory
PermanentMoved By
Ray BlohmDate
January 10, 2012Location
Shelf
CS-E-7Room
Curation StorageBuilding
Crater Rock MuseumCategory
Permanent
