Name/Title
Petrified WoodEntry/Object ID
05.58.212Description
Assemblage Zone: sedimentary
Chemical Composition: Si O2
Crystal System: Hexagonal
Description: Family: Taxodism
Genus: Sequoia
Common name: Sequoia
Age: Oligocene
Location data: Rogers Mtn, Scio, OR
Description: Petrified wood. Chunk cut on three different planes. Tan outside; faces are yellow, tan, cream, and golden-tan.
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
5-11/16 inWidth
3-11/16 inLength
3-1/2 inDimension Notes
Dimensions taken at widest pointsLocation
Location
Shelf
CS-I-2Room
Curation StorageBuilding
Crater Rock MuseumDate
January 31, 2024Category
PermanentMoved By
Curtis GardnerDate
May 25, 2023Notes
Added current locationLocation
Container
n/aDrawer
2nd ShelfShelf
Right, RightBuilding
Founders RoomCategory
PermanentMoved By
Ray BlohmDate
January 4, 2012Location
Container
n/aDrawer
2nd ShelfShelf
RightCabinet
F2Wall
WestBuilding
Founders RoomCategory
Permanent