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Evidence of Shock Metamorphism Effects in Allochthonous Breccia Deposits from the Colônia Crater, São Paulo, Brazil
Colô nia Crater Polymictic Allochthonous Breccia Shock Metamorphism Effects
2013/3/11
The 3.6 km-diameter Colonia impact crater, centred at 2352'03"S and 4642'27"W, lies 40 km to the south-west of the São Paulo city. The structure was formed on the crystalline basement rocks and d...