This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
The Quarterly journal of the Geological Society of London . KINGSMILL GEOLOGY OF CHINJl but in general throughout the east and northeast of Kwangtung and the greater portion of Puhkien igneous and metamorphic rocks form the most conspicuous geological feature of the country The Pig Part Section of Si Tungtingshan Scale