Project Gutenberg 2016-08-18 Public domain in the USA. 668 Girard, Roselle M. 1918 Girard, Roselle Margaret Harris, Bill M. Texas Rocks and Minerals: An Amateur's Guide Produced by Stephen Hutcheson, Dave Morgan and the Online Distributed Proofreading Team at http://www.pgdp.net "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.) Reading ease score: 60.9 (8th & 9th grade). Neither easy nor difficult to read. en Petrology Petrology -- Texas Mineralogy -- Texas QE Text Category: Science - Earth/Agricultural/Farming Category: How To ... 596881 2025-07-21T06:58:06.765498 text/html 520910 2016-08-17T17:30:06 text/html 6004410 2025-07-21T06:58:21.801419 application/epub+zip 6016113 2025-07-21T06:58:11.068540 application/epub+zip 195217 2025-07-21T06:58:08.907488 application/epub+zip 6233644 2025-07-21T06:58:28.223411 application/x-mobipocket-ebook 6139536 2025-07-21T06:58:19.885428 application/x-mobipocket-ebook 328456 2022-09-24T01:29:16.546760 application/x-mobipocket-ebook 345515 2025-07-21T06:58:04.098501 text/plain; charset=us-ascii 345655 2016-08-17T17:29:52 text/plain; charset=us-ascii 19424 2025-07-21T06:58:28.384385 application/rdf+xml 20323 2025-07-21T06:58:09.162493 image/jpeg 3009 2025-07-21T06:58:09.036509 image/jpeg 93362 2016-08-17T17:30:10 application/octet-stream application/zip 5478078 2016-08-17T17:30:12 application/octet-stream application/zip 5504093 2025-07-21T06:58:06.992550 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://book.klll.cc/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog