Rocks & Minerals

ROCKS & MINERALS

• This is a great site for identifying rocks and minerals *as we find them*; with detailed descriptions and images. Including wonderful pages on different types of sand! By Siim Sepp, a geologist (PhD student) and nature photographer from Estonia:
  http://www.sandatlas.org/rock-types/

• A website that contains every mineral – the world’s largest public database of mineral information with brilliant photos and scientific details:
  http://www.mindat.org/

• And our very own posts on Volcanic/Igneous Rocks:
  – Basaltic…? Felsic…? Porphyritic…? Confusion!
  – GRANITE…, SYENITE…, DOLERITE… INTRUSIONS (1)
  – BATHOLITH…, LOPOLITH…, SILL OR DIKE? – INTRUSIONS (2)
  – TUFF.. TUFA?.. IGNIMBRITE – Pyroclastic Deposits

• A handy Igneous Rock Identification Chart found on Twitter (no source stated); click to enlarge.