Zircon Hf evolutionary patterns are powerful tools to investiage magma petrogenesis and crustal evolution. The 176Hf/177Hf isotopic signature of a rock is parti
Igneous and detrital zircons have six major U/Pb isotopic age peaks in common(2700 Ma,1875 Ma.1045 Ma,625 Ma,265 Ma and 90 Ma).For igneous rocks,each age peak i
In this study, we investigate the possible record of a Late Mesoproterozoic paired metamorphic belt in the Aravalli-Delhi Mobile Belt (ADMB), NW India using a s
Christmas was coming. Mr Smith had no money to buy any presents for his children. His wife was ill and he spent a lot of money on her medicine. And the harvest
The Zambezi Belt in southern Africa has been regarded as a part of the 570-530 Ma Kuunga Orogen formed by a series of collision of Archean cratons and Proterozo
↑电话亭TELEPHONE CABINTelephone cabins abound in Paris. In the city, they are usually of clear glass from top to bottom. Make sure you bring a phone card along