Two kinds of mudstones from the Tarim Basin and the Tuha Basin were treated with C8 and C18 alkylammonium cations. Both of them were dated by the K-Ar method. O
The convection over the tropical western Pacific warm pool influences significantly the atmospheric circulation and climate in East Asia. Thus, the precursory s
The calcium carbonate coats on stones developed in soil on the geomorphic surfaces of coarse clastic sediments in arid-semiarid regions contain evident informat
The chronology of a gravity core sediment from Longgan Lake center was defined by 210Pb,combining with historic events recorded by document and sediment.The rel
Three ice cores distributed across Dasuopu glacier in Himalayas were recovered. A 400-year net annual accumulation record reconstructed from one of the cores re
The structural mapping and section study indicate that the "greenstone belts" in the southern to central parts of Hengshan were intensively sheared and transpos
The analyses of δ13C and δ18O of gas hydrate-associated sediments from two cores on Hydrate Ridge in Cascadia convergent margin offshore Oregon, eastern North