Paired stable oxygen isotope and Mg/Ca analyses in calcite tests of the mixed-layer-dwelling planktic foraminifer Globigerinoides ruber has been used to reconst
Early Paleozoic granodiorite has been identified on the northern margin of the North China craton in the east section of the central-Asian orogenic belt, which
<正>Diamonds and other ultrahigh-pressure(UHP)minerals exist in ophiolitic mantle peridotites and podiform chromitites from different orogenic belts.Most ophiol