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001			66308
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005			20260610134529.0
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040			_aUtSlPG
041		7	_aen _2iso639-1
050		4	_aQE
100	1		_aIllinois State Geological Survey
245	1	0	_aGuide to Rocks and Minerals of Illinois
264		1	_aSalt Lake City, UT : _bProject Gutenberg, _c2021
300			_a1 online resource : _bmultiple file formats
336			_atext _btxt _2rdacontent
337			_acomputer _bc _2rdamedia
338			_aonline resource _bcr _2rdacarrier
490	1		_aIllinois State Geological Survey. Educational series, 5.
500			_aRelease date is 2021-09-15
508			_aStephen Hutcheson and the Online Distributed Proofreading Team at https://www.pgdp.net
520			_a"Guide to Rocks and Minerals of Illinois" by Illinois State Geological Survey is a scientific publication written in the late 1950s. This book serves as an educational resource that explores the geology of Illinois, specifically its diverse collection of rocks and minerals. It aims to inform readers about the state's geological background while guiding students and amateur geologists in their efforts to understand and collect these natural resources. The guide provides a detailed overview of various rock and mineral types found in Illinois, such as granite, conglomerate, sandstone, and limestone, along with descriptions of their properties and uses. Through illustrations and geological maps, readers are introduced to the complexity of Illinois' geology, including the impact of glaciation on the region. The book also features identification keys and advice on collecting specimens, making it a practical tool for both educators and enthusiasts interested in the earth sciences. (This is an automatically generated summary.)
534			_nOriginal publication data not identified
653			_aPetrology -- Illinois
653			_aMineralogy -- Illinois
830		0	_aIllinois State Geological Survey. Educational series, 5.
856	4	0	_uhttps://www.gutenberg.org/ebooks/66308
999			_c107130 _d107130