IGNEOUS - INTRUSIVE: Potassium feldspar, Big Thompson Canyon --- The potassium in this mineral is often used in K-Ar (potassium-argon) radiometric dating.
igneous rocks
Educational, hands-on videos, produced by the NAD Department of Education in collaboration with GRI,…
A deeper look at the appearance of various phyla in the geologic column
The Geoscience Research Institute partially funded a recently published article modeling erosion rates…
©Copyright 2018 GEOSCIENCE RESEARCH INSTITUTE11060 Campus Street • Loma Linda, California 92350 • 909-558-4548
Cookies Settings
