Project Gutenberg 2016-08-18 Public domain in the USA. 491 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.) en Petrology Petrology -- Texas Mineralogy -- Texas QE Text Browsing: Nature/Gardening/Animals Browsing: Science - Earth/Agricultural/Farming Browsing: Science - General 596555 596735 2024-09-22T05:00:57.796261 2023-09-23T03:43:11.257521 text/html text/html 520910 2016-08-17T17:30:06 text/html; charset=utf-8 5478078 2016-08-17T17:30:12 text/html; charset=utf-8 application/zip 6004460 2024-09-22T05:01:14.699224 application/epub+zip 6016220 2024-09-22T05:01:02.456233 application/epub+zip 195325 2024-09-22T05:01:00.131249 application/epub+zip 6233646 2024-09-22T05:01:22.041175 application/x-mobipocket-ebook 6139554 2024-09-22T05:01:12.553187 application/x-mobipocket-ebook 328456 2022-09-24T01:29:16.546760 application/x-mobipocket-ebook 345515 345413 2024-09-22T05:00:54.325280 2023-09-23T03:43:07.415524 text/plain; charset=us-ascii text/plain 345655 2016-08-17T17:29:52 text/plain; charset=utf-8 93362 2016-08-17T17:30:10 text/plain; charset=utf-8 application/zip 18723 2024-09-22T05:01:22.211129 application/rdf+xml 20323 2024-09-22T05:01:00.432270 image/jpeg 3009 2024-09-22T05:01:00.282287 image/jpeg 5504050 2024-09-22T05:00:58.024330 application/octet-stream application/zip Archives containing the RDF files for *all* our books can be downloaded at https://www.gutenberg.org/wiki/Gutenberg:Feeds#The_Complete_Project_Gutenberg_Catalog