By: magic-gigapans
Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
License: Creative Commons Non Commercial ⧉

Uploaded: 30 Mar 2020
Last Updated: 15 May 2020

584 megapixels
25,516 x 22,888 pixels
85.1 in X 76.3 in at 300dpi
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One of two sediment samples from Pfeiffer Beach in California, where flowing water naturally separates heavy minerals from lighter ones. This sample is mostly comprised of heavy minerals. Click here to explore a sample comprised mostly of lighter minerals: https://viewer.gigamacro.com/view/75BV91mdYXJ02BwH Sandatlas has an excellent post on heavy minerals and determining the provenance of sand grains here, complete with an aerial photo of Pfeiffer Beach: https://www.sandatlas.org/heavy-minerals/ Sample contributed by Dr. Kenneth Rasmussen.