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COSMIC DUST FROM CHANGZHOUGOU FORMATION IN JIXIAN AREA AND ITS FALLING AGE

COSMIC DUST FROM CHANGZHOUGOU FORMATION IN JIXIAN AREA AND ITS FALLING AGE
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摘要 Ⅰ. GEOLOGICAL SETTINGS OF SAMPLING LOCALITY The sampling locality is in Changzhougou Village on the northern North China Platform. In the late Precambrian, this area seriously sank. Changzhougou Formation overlies unconformably the Archaean gneiss.
出处 《Chinese Science Bulletin》 SCIE EI CAS 1991年第21期1816-1819,共4页
基金 Project supported by the National Natural Science Foundation of China
关键词 COSMIC DUST fusion-type from METEORITE FALLING age ~40Ar/~39Ar age SPECTRUM COSMIC DUST FUSION-TYPE FROM METEORITE FALLING AGE AR-40/AR-39 AGE SPECTRUM
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