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Guide to Rocks and Minerals of Illinois
Illinois State Geological Survey
Pick up a stone in an Illinois field and this guide will help you name it. The State Geological Survey lays out the rocks and minerals of the region, from granite and basalt to gneiss and schist, each keyed for easy recognition. A handy identification companion for the amateur rockhound. For anyone who wants to read the geology in a roadcut or riverbank.
Every copy includes a printable PDF edition, a beautifully typeset book you can print, mark up in the margins, and keep on your shelf. Yours the moment you own it.
48 chapters
- 1Guide to ROCKS AND MINERALS OF ILLINOIS
- 2DESCRIPTION OF ROCKS AND MINERALS
- 3MINERALS
- 4ROCKS
- 5GRANITE (1)
- 6GABBRO (2)
- 7PORPHYRY (3)
- 8BASALT (4)
- 9PERIDOTITE (5)
- 10GNEISS AND SCHIST (6)
- 11CONGLOMERATE (7)
- 12SANDSTONE (8)
- 13QUARTZITE (9)
- 14SHALE (10)
- 15CLAY (11)
- 16LIMESTONE (12)
- 17PEAT (13)
- 18COAL (14)
+ 30 more. The full contents open with the book.
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