A bright-yellow, triangular-textured patch is clearly visible and several others are present which are slightly more obscure due to much of the sericite washing out during sample preparation. Similar patches of dark-purple fluorite are ...
This book is specifically designed for the field geologist working without the benefits of sophisticated chemical, mineralogical or petrological support.
Ore Textures: Infill texture
Ore Textures: Alteration textures
Ore Textures: Recognition and Interpretation
Ore Textures: Recognition and Interpretation
This book is specifically designed for the field geologist working without the benefits of sophisticated chemical, mineralogical or petrological support.