is mainly felsic rock and biotite (< 0.5%) with a rust-colored surface upon iron precipitation and weathering. Feldspar phenocrysts are mainly plagioclase feldspar, with polysynthetic twins and ...

Contribute to redmik40/sbm development by creating an account on GitHub.

Contribute to redmik40/sbm development by creating an account on GitHub.

Figure 1. The sparsely populated high desert of eastern Oregon is home to three localities producing natural copper-bearing labradorite feldspar. In this view of Lake County’s Dust Devil mine, the ...

I recently participated in a three-week-long, National Science Foundation-funded research cruise to the Mariana Trench. Our ...

What FACTS ABOUT ROCKS do you know? They are abundant on earth, and yet little is known about them. These facts will increase your knowledge of the rocks.

Here are 25 rock and metal bands you might not know, but will in 2025. It's no secret — being a new (or new-ish) band means putting yourself, your music, your ambition and all your hopes and ...

Serabi Gold plc (“Serabi” or the “Company”) (AIM:SRB, TSX:SBI, OTCQX:SRBIF), the Brazilian focused gold mining and development company, is pleased to announce the Company’s fourth ...

Last fall while waiting for freeze-up to provide easier travel, I perused two library books on the geology of Alaska, with my ...