Acer (Winged Seed Leaf)

Object/Artifact

-

Crater Rock Museum

Name/Title

Acer (Winged Seed Leaf)

Entry/Object ID

07.57.12

Description

Thin rectangular, beige sandstone with a winged Maple seed leaf fossil. Clade: Tracheophytes Clade: Angiosperms Clade: Eudicots Clade: Rosids Order: Sapindales Family: Sapindaceae Subfamily: Hippocastanoideae Genus: Acer Common Name: Maple Rock and Mineral Data (Silica): Assemblage Zone: sedimentary Chemical Composition: Si O2 Crystal System: Hexagonal Type of Fossils Present: Plants Fracture: conchoidal Grain Size: Fine Hardness: 7 Quartz Luster: Glassy Pressure: Moderate Rock Color: Medium Rock Origin: Post-depositional Rock Type: Sedimentary Specific Gravity: 2.6 Surface Process: Not apparent Streak: white Temperature: Low Texture: microcrystalline Variety: Petrified wood is hydrous microcrystalline variety of quartz that can be defined in general term of chalcedony or opalization

Collection

Petrified Wood Collection

Acquisition

Accession

07.57.

Other Names and Numbers

Other Number

Other Number: 07.57.12

Dimensions

Width

2 in

Depth

1/8 in

Length

1 in

Dimension Notes

Dimension taken at widest points

Location

Location

Display Case

PW-1

Room

Petrified Wood Room

Building

Crater Rock Museum

Category

Permanent

Moved By

Jillian Mather Kettley

Date

January 15, 2025

Notes

Inventory/Locating