Black Mat Geology

Many of us familiar with wetlands and black mats thought that the impact markers might be concentrated by natural processes researcher jeff pigati a geologist at the u s.

Black mat geology. The evidence given by proponents of a bolide or meteorite impact event includes black mats or strata of organic rich soil that have been identified at dozens of clovis culture archaeological sites in north america. Augite is a standard black or brownish black pyroxene mineral of dark igneous rocks and some high grade metamorphic rocks. These black diamonds are also called carbonado which means black rock. Of the 97 geoarchaeological sites of this study that bridge the pleistocene holocene transition last deglaciation approximately two thirds have a black organic rich layer or black mat in the form of mollic paleosols aquolls diatomites or algal mats with radiocarbon ages suggesting they are stratigraphic manifestations of the younger dryas cooling episode 10 900 b p.

The ydih argues that black mats or at least some of them represent the remains of a cometary impact. Geological survey told livescience. All content in this area was uploaded by william c. It s a common misconception that all diamonds are clear white.

To 9 800 b p. New evidence from a black mat site in the northern andes supporting a cosmic impact 12 800 years ago. Department of geological sciences university of oregon eugene oregon 97403 1272 usa. The fact is they are available in different colors and that includes black.

Proponents have reported materials including nanodiamonds metallic microspherules carbon spherules magnetic spherules iridium platinum platinum palladium ratios. School of geology and geophysics university of oklahoma norman oklahoma 73019 usa. Mahaney et al new evide black mat geology 2013 pdf. Mahaney on jun 24 2020.

Search for more articles by this author dave krinsley. We were certainly excited however to see the consistency of our findings across continents and different time periods. Many of us familiar with wetlands and black mats thought that the impact markers might be concentrated by natural processes researcher jeff pigati a geologist at the u s. These are the main things that distinguish it from hornblende see below.

Its crystals and cleavage fragments are nearly rectangular in cross section at angles of 87 and 93 degrees.