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2014•Geology and ResourcesRequires access

SPOROPOLLEN ASSEMBLAGE OF THE SHAHEZI FORMATION IN SOUTHERN SONGLIAO BASIN

MA Feng-ron

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Abstract

Form bottom to top, the Shahezi Formation in the Southern Songliao Basin can be divided into two sporopollen assemblages, i.e. the Classopollis-Piceites-Osmundacidites assemblage and the Granulatisporites-LophotriletesCicatricosisporites assemblage. The former is distributed in the first member of the Shahezi Formation; while the latter, in the second member. Study on the sporopollen assemblages demonstrates that the first member of Shahezi Formation geochronologically belongs to the Valanginian Age of Early Cretaceous Epoch; while the second member, Hauterivian Age.

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What this paper is about

Form bottom to top, the Shahezi Formation in the Southern Songliao Basin can be divided into two sporopollen assemblages, i.e. the Classopollis-Piceites-Osmundacidites assemblage and the Granulatisporites-LophotriletesCicatricosisporites assemblage. The former is distributed in the first member of the Shahezi Formation; while the latter, in the second member. Study on the sporopollen assemblages demonstrates that the first member of Shahezi Formation geochronologically belongs to the Valanginian Age of Early Cretaceous Epoch; while the second member, Hauterivian Age.

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Available abstract

Form bottom to top, the Shahezi Formation in the Southern Songliao Basin can be divided into two sporopollen assemblages, i.e. the Classopollis-Piceites-Osmundacidites assemblage and the Granulatisporites-LophotriletesCicatricosisporites assemblage. The former is distributed in the first member of the Shahezi Formation; while the latter, in the second member. Study on the sporopollen assemblages demonstrates that the first member of Shahezi Formation geochronologically belongs to the Valanginian Age of Early Cretaceous Epoch; while the second member, Hauterivian Age.

Key concepts: Assemblage (archaeology), Geology, Cretaceous, Paleontology, Structural basin

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