by sysadmin | Mar 19, 2016 | Blog
Petrified wood with Clam borings-Cupressinoxylon sp.- Edwards Formation, Kerr County, Texas. Cretaceous period 100 mya. 8″ across Toredo wood with shipworm boring holes. … Teredo petrified wood is unique because of the “worming” of the original...
by sysadmin | Mar 18, 2016 | Blog
Petrified Wood-Oak- Swartz Canyon, Crook County, Oregon. 7.75″ across
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...
