This work was supported jointly by the Key Laboratory of Submarine Geosciences, SOA (Grant No. 2002-3); the National Natural Science Foundation of China (Grant No. 40272052) ; China Scholarship Council (CSC).
Characteristic gypsum micro-sphere and granular mass were discovered by bin-ocular microscope in the gas hydrate-associated sediments at cores SO143-221 and SO143/TVG40-2A respectively on Hydrate Ridge of Cascadia mar...