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Araguainha Dome Shocked Quartz Pebble
This shocked fractured shear quartz pebble is from Araguainha Dome, Brazil. It is the largest impact crater to date in South America. In addition to shatter cones, evidences of impact also extends to impact breccias and shocked quartz for this impact site. During the time of this impact one of the largest mass extinction events in the history of Earth occurred called the Permian-Triassic extinction event. Front and back show different characteristics.
Shocked quartz pebbles have been found at several impact sites around the world. The most notable being “Pook’s Pebbles,” associated with the Chixculub impact structure; the Buntsandstein conglomerates, associated with the Azuara/ Rubielos de la Cerida impact structures, in Spain; and Nördlinger Ries fluviodeltaic Miocene conglomerates, Bavaria and Baden-Württemberg.
Size: 50mm L X 38mm W X 23mm D, Weight: 62.7 grams.
Ships with tag, tag stand and Certificate of Authenticity. Photo cube and acrylic stand not included.
Exceedingly rare specimen.
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