by sysadmin | Mar 17, 2016 | Blog
Petrified wood-Oak- Catahoula Formation, Jasper County, Texas. Oligocene 34-23 mya. 14″ across
by sysadmin | Mar 16, 2016 | Blog
Manganoan Adamite- Ojuela Mine, Mapimi, Durango, Mexico. 7.5cm tall Ojuela Mine is a carbonate replacement deposit that shares many similarities to its famous Namibian cousin, Tsumeb. Both mines capitalize on vast hydrothermal polymetallic ore deposits; both mines...
by sysadmin | Mar 16, 2016 | Blog
Opal limb cast- Tsehey Mewcha, Wegeltena, Wollo Province, Ethiopia. 3.5 cm long. Limb casts are formed when Agate is deposited in the vacant cavities of tree branches once covered by hot volcanic ash. The wood itself burned away and left the vacant cavities. The...
by sysadmin | Mar 15, 2016 | Blog
Limb cast – Yellow Cat Flat, Morrison Formation, Ringtail Mine, Yellowcat Mining District, Grand Co. Utah. 11″ across. Collected in the early 1950’s
by sysadmin | Mar 13, 2016 | Blog
Coprolite” dinosaur doodoo” with agate fortifications. From the Ernie Shirley collection. Morrison Formation, Hanksville, Utah. 144-208 MYA 3.75″ across.
by sysadmin | Mar 12, 2016 | Blog
Chelyabinsk impact melt breccia meteorite- Chelyabinsk region, Southern Urals, Russia. Fell February 15th , 2013, 9:20 am local time. LL5 Chondrite. 126.9 grams…. With an estimated initial mass of about 12,000–13,000 metric tonnes (13,000–14,000 short tons,...
