Beach Sand
Beach Sand Composition
Beach sand varies from place to place, a reflection of the variable bedrock source. Nevertheless, the main mineral is quartz. Sand can be derived from granite. Sand derived from the metasedimentary rock is more likely to be diversified, perhaps with some garnet.
Web page by Kharisma C., as part of the Galveston Bay Project for Girls.
Last updated 6/24/99.