What are the easiest gemstones to find in rocks and creeks? Let’s find out here. Gemstones form under conditions of high pressure and temperatures as minerals within the rocks, or form as independent ...

Scientists in Missouri are actively pursuing dozens of minerals, including rare ones, that have been found across the state.

THIS book is intended for two classes of reader, namely, the student beginning the study of the igneous rocks, and the geologist seeking a refresher course. As a result, the beginner will need careful ...

Sedimentary rocks are made up of pieces of older rocks (igneous, metamorphic, and sedimentary) and organic remains (shells, bone, etc.). When rocks break apart from erosion they are transported by ...

A little knowledge of rocks and minerals will help you identify everything from jewelry to fossils. While reading this article may not turn you into a geologist, it should give you the basic ...

(1) THE appearance of a revised edition of Hatch and Wells's “Petrology of the Igneous Rocks” is a matter of interest to British petrologists, since this has long been a standard text-book in British ...

In my last column, I wrote about the locations where you can find igneous rocks that were formed from lava. The metarhyolite and metabasalt described in the column are known as extrusive rocks, those ...

During the nearly 14 months that it has spent on the red planet, Curiosity, the Mars Science Laboratory (MSL) rover, has scooped soil, drilled rocks, and analyzed samples by exposing them to laser ...