The isotopic study was the main goal of the investigation, with analyses of whole rock (Sm-Nd) and zircon grains (U-Pb). ... (2010) have constrained Cariris Velhos Event between 990 and 940 Ma, based ...

Frost’s candidate was rocky crust in Wyoming with bits of the mineral zircon that she has dated back to 3.82 billion years. “But the way we interpreted that rock, the result was that the rock itself ...

(D) Zircon grains melted at ~1775°C. #7, #8: Vesicles indicative of high-temperature dissociation of the zircon. (E) #9: Zircon grain fully converted to baddeleyite at >1775°C. #10: The molten zircon ...

The present study deals with the petrographic interpretation of Talchir Formation sandstone, in and around Chirimiri area, Koriya district, Chhattisgarh state India located in Son-Mahanadi basin. This ...