Advanced: Rocks 2017
Dec 2, 2017
Igneous, sedimentary, metamorphic. Those are the three main categories of rocks, but there are many, many subtypes. Granite, quartz, limestone, coal, chalk, etc, etc.
For a list of subtypes, go here.
Show us your best rock photos, like the great themepost by mickey2bagz.
Hit list: Diamonds and other gemstones. There are other contests for those.
All entries must abide by the entry requirements as stated in the FAQs
A full list of editing allowances and restrictions for contests can be found here.
Thanks to mickey2bagz for supplying our themepost!