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040 _aUtSlPG
041 7 _aen
_2iso639-1
050 4 _aQE
100 1 _aGirard, Roselle M.,
_d1918-
245 1 0 _aTexas Rocks and Minerals: An Amateur's Guide
264 1 _aSalt Lake City, UT :
_bProject Gutenberg,
_c2016
300 _a1 online resource :
_bmultiple file formats
336 _atext
_btxt
_2rdacontent
337 _acomputer
_bc
_2rdamedia
338 _aonline resource
_bcr
_2rdacarrier
500 _aRelease date is 2016-08-18
508 _aProduced by Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net
520 _a"Texas Rocks and Minerals: An Amateur's Guide" by Roselle M. Girard is a scientific publication written in the mid-20th century. The guide serves as an introductory resource for amateur geologists and school children interested in understanding the diverse rocks and minerals found in Texas. It covers foundational topics about the Earth's crust, the formation and properties of various rocks and minerals, and practical advice for collecting and identifying specimens. The opening of the guide presents a general overview of the types of geological materials covered, including a description of the Earth’s outer crust, the classified branches of geology, and the essential distinction between rocks and minerals. Girard introduces readers to geological time concepts, geological maps, and the various formations of igneous, sedimentary, and metamorphic rocks, while also emphasizing the value of minerals and their components in everyday life. The text is structured to ensure clarity for those new to geology, making it accessible and informative, equipped with charts for identification and illustrations to aid in understanding the content. (This is an automatically generated summary.)
534 _nOriginal publication data not identified
653 _aPetrology
653 _aPetrology -- Texas
653 _aMineralogy -- Texas
700 1 _aHarris, Bill M.
856 4 0 _uhttps://www.gutenberg.org/ebooks/52839
999 _c93673
_d93673