Two Medicine Formation Coprolite - SOLD 1.37" giftshistory Examinations of petrified wood left

Examinations of petrified wood left from such trees indicate they would have lived during the late Triassic period

The "stars" are caused by light reflecting off tiny inclusions of the mineral rutile

When fired at temperatures over 800°C

insects and arachnids)

Though many battles raged throughout the "long thirteenth century" of the High Middle Ages

Two Medicine Formation Coprolite - SOLD 1.37" giftshistory Examinations of petrified wood leftFossils come in many forms: impressions of a tree's branching limbs, a preservation of a sea creature's skeletal system, and sometimes even an animal's poop. Funny as it may seem, these coprolite fossils are tremendously helpful to paleontologists, allowing them to reconstruct an animal's diet and thus their entire ecosystem. This specimen is a large fragment of coprolite from the Two Medicine Formation in Montana. The specimen measures 1. 37" in