![Sample our Earth Sciences journals, sign in here to start your access, latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/5930/TOC-Subject-Sample-2021-Earth-Sciences.jpg"})
ACKNOWLEDGMENTS
I thank Malcolm Southwood and John S. White for their reviews of the article.
Additional information
Notes on contributors
Mark Mauthner
Mark Mauthner, a consulting editor of Rocks & Minerals, is a photographer based in Austria.
![Wilensky Minerals]({"type":"image" , "src" : "/sda/109388/JournalAd-Website-VRAM-Wilensky-Minerals-160x600.jpg"})
- Choose new content alerts to be informed about new research of interest to you
- Easy remote access to your institution's subscriptions on any device, from any location
- Save your searches and schedule alerts to send you new results
- Export your search results into a .csv file to support your research