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 . NICHOLSON IGNEOUS EOCKS OF THE LAKEDISTRICT Notes on certain of the Intrusive Igneous Rocks of the Lake district By Henry Alletne Nicholson So The rocks which purpose noticing in the following communication are certain igneous rocks of an intrusive character and holding