Name/Title
Petrified WoodEntry/Object ID
05.58.209Description
Assemblage Zone: sedimentary
Chemical Composition: Si O2
Crystal System: Hexagonal
Description: Family: Cupressceae
Genus: Taxodium
Common name: Bald Cypress
Age: Unknown
Location data: Ellensburg, WA
Description: Doug Foster describes this specimen as being a butt cut slab from a round trunk. Tan outside. Tan, brown, and orange-brown form distinct rings. Oval-shaped holes in center, formed when bald cyprus dries out.
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
5-1/2 inWidth
1-1/2 inLength
5 inDimension Notes
Dimensions taken at widest pointsLocation
Location
Container
Front RowDrawer
BottomShelf
Right, RightBuilding
Founders RoomCategory
PermanentMoved By
Ray BlohmDate
January 4, 2012Location
Container
Front RowDrawer
BottomShelf
RightCabinet
F3Wall
WestBuilding
Founders RoomCategory
Permanent
