Currently, the data set is comprised of approximately 450
granulometric analyses of 70 loose grain mineralogical preparations
from 30 geological sections of Seymour Island, Antarctica. The data
A collection of petrographic thin sections made from rock samples collected by
USGS field geologists in Alaska. Many of the sections have corresponding
descriptions cards; thin sections number 30,000. ...
[Adapted from the Geological Survey of Japan Sample Reference
Standards Abstracts Page,
The Geological Survey of Japan (GSJ) has issued 31 rock ...