昌平灰岩时代

ON AGE OF CHANGPING LIMESTONE

昌平灰岩由张文佑(1935)命名,时代属早寒武世沧浪铺晚期。近年,作者在含 Megapalaeolenus feng-yanensis 层位之上采到 Redlichia murakamii。据此将昌平灰岩时代置早寒武世沧浪铺晚期—龙王庙期。

Changping Limestone was named by Zhang Wenyou in 1935, belong to the lateCanglangpu,early Cambrain.According to the fact that the author have found Redlichiamurakamii above the strata containing Megapalaeolenus fengyanensis at present,Chang-ping Limestone is considered to be occured from the late Canglangpu to LongwangmiaoAge,early Cambrain in the paper.