Jixian Middle and Upper Proterozoic Stratigraphic Section National Nature Reserve Tourism Guide - Manganite Mine7 / 13Jixian Middle and Upper Proterozoic Stratigraphic Section National Nature Reserve Tourism Guide - Fault
Introduction to Archaean metamorphic rocks: The underlying strata of the Middle and Upper Proterozoic in Jixian County are Archaean metamorphic rocks. The main lithologies include amphibolite, amphibolite, etc. Archaean rocks are the oldest rocks in geological time, with a geological age of about 2.5 billion years.
Jixian Middle and Upper Proterozoic Stratigraphic Section National Nature Reserve Tourism Guide - Archean Metamorphic Rocks
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