文章基本信息

标题：Additional evidence of pre-Silurian high-pressure metamorphic rocks in Spitsbergen
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作者：Yoshihide Ohta ; Yoshikuni Hiroi ; Takao Hirajima 等
期刊名称：Polar Research
印刷版ISSN：1751-8369
出版年度：1983
卷号：1
期号：2
页码：215-218
DOI：10.3402/polar.v1i2.6986
语种：English
出版社：Co-Action Publishing
摘要：It has been previously suggested that the high-pressure metamorphic rock complcx of Motalafjclla. central-western Spitsbergen, is older than Lower Silurian. An unconformity has been discovered at the base of a limestone which contains fossils similar to those reported as Lower Silurian from the same massif. This proves that the high-pressure metamorphics represent an older rock complex. The unconformity surfacc is invcrted in the area, and large recumbent folds involving the Silurian Bulltindcn Formation havc been mapped. These folds are considered to be prc-Carboniferous,