معادن
http://www.mindat.org/
الصخور تحت المجهر
http://www.earth.ox.ac.uk/~oesis/micro/index.html
المعادن تحت المجهر
http://www.gly.bris.ac.uk/www/teach/opmin/mins.html#morph
أرامكو
www.saudiaramco.com
شلمبرجير
www.slb.com
The Mountain Geologist
http://www.rmag.org/mtngeologist
M
aine-Geo Library
http://www.maine.gov/geolib
GeologyRocks
http://www.geologyrocks.co.uk