二連組
来自维基百科,自由的百科全书
来自维基百科,自由的百科全书
二連組,又名二連達布蘇組(Iren Dabasu Formation)、青元崗組,是位於中國內蒙古二連浩特一帶及黑龍江的上白堊世地層,1922年由Walter Granger、Charles P. Berkey命名。該地層以淺灰、淺灰綠色泥質砂岩、砂岩、礫砂岩、泥岩為主,間夾泥灰岩等。[1]
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