Large slice of the K-T Dinosaur Extinciton Layer
** About this K-T Layer Slice **
This is a solidified slice of the K-T boundary layer that marks the meteorite impact that killed the dinosaurs 65 million years ago.
Discovered on the Braeger Ranch - Lance Creek Formation.
** K-T Layer History / Information **
The Cretaceous–Paleogene (K–Pg) boundary, formerly known as the Cretaceous–Tertiary (K-T) boundary, is a geological signature, usually a thin band of rock. The K–Pg boundary marks the end of the Cretaceous Period, the last period of the Mesozoic Era, and marks the beginning of the Paleogene Period, the first period of the Cenozoic Era. Its age is usually estimated at around 66 Ma (million years ago), with radiometric dating yielding a more precise age of 66.043 ± 0.011 Ma.
** Lance Creek Formation **
The Lance Formation is a division of Late Cretaceous rocks in the western United States. Named after Lance Creek, Wyoming, the microvertebrate fossils and dinosaurs represent important components of the latest Mesozoic vertebrate faunas. The Lance Formation is Late Maastrichtian in age, and shares much fauna with the Hell Creek Formation of Montana and North Dakota, the Frenchman Formation of southwest Saskatchewan, and the lower part of the Scollard Formation of Alberta.
* This artifact comes in a quality display case with a information card attatched. *
Large Slice of the K-T Dinosaur Extinction Layer
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