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 "About the GSA Data Repository",
The above data set may be dowloaded from the Geological Society of
America (GSA) Data Repository, ...
The Ridge PetDB is a petrological database of igneous rock samples collected
on the ocean floor. It is a project funded by the National Science
Foundation (NSF), developed and maintained by the Lamont-Doherty ...