Geology

Rock Identification Chart

The Geology of Time... - a grouped images picture - Pin Them All

The Mohs scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.

AU. The Art of Rock Folding by Ern Mainka--Geological rock folding in sedimentary layers on beach coastline, Croajingalong NP, Quarry Beach, Mallacoota, Victoria: app 5×3' section

Vintage Geology Wall Chart Rocks & Minerals by HoofAndAntler

What a geologist sees, even after one semester of intro to geo

Poster of rock & minerals, showing classification of

Perfect hexagonal columnar joint basalt rocks , giants causeway, Ireland

"Ages of Rock" - http://trollart.com/trollart_toplinks/galleries/fossilfreeway1/pages/020.html#

Geologic Folds in the Lower Ugab valley in Namibia - photo from northseattle.edu--- Wow!