granite

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Learn about the use of gamma-ray spectroscopy to identify the quarry that was the source of granite found in ancient Roman ruins

Glacial erratic perched on low pedestal of massive granite, Tulare county, Calif.

granite: photomicrograph

Whaleback outcroppings of Precambrian granite of the basement complex in the Matopo Hills, southwestern Zimbabwe.

Figure 42: Granitic rock consisting of reddish orange feldspar, nearly white quartz, and green epidote that appears to have been introduced into an original quartz-feldspar granite. This rock, sometimes called unakite, is used widely in jewelry.

granite: References & Edit History

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Article History

Type	Description	Contributor	Date
	Modified link of Web site: Geology.com - Granite.	Aakanksha Gaur	Jul 24, 2026
	Add new Web site: CellPress - Heliyon - Temperature-driven micro-fracturing in granite: The interplay between microstructure, mineralogy and tensile strength.	Aakanksha Gaur	Mar 06, 2026
	Added Quick Fact box.	John P. Rafferty John P. Rafferty	Nov 14, 2025
	Add new Web site: Scientific Reports - Dynamic behavior and failure characteristics of granite with different shapes of holes.	Grace Young	Nov 05, 2025
	Add new Web site: IOPscience - Cutting Tool for Marble & Granite: A Review (PDF).	Aakanksha Gaur	Apr 13, 2025
	Add new Web site: National Center for Biotechnology Information - PubMed Central - Pore Structural Features of Granite under Different Temperatures.	Aakanksha Gaur	Nov 23, 2024
	Add new Web site: Frontiers - Frontiers in Earth Science - Editorial: Granite Petrogenesis and Geodynamics.	Aakanksha Gaur	Aug 16, 2024
	Add new Web site: The Royal Society of Western Australia - Geology of granite.	Gloria Lotha	May 26, 2023
	Add new Web site: Geology.com - Granite.	Gloria Lotha	Sep 25, 2022
	Corrected display issue.	Adam Augustyn	Jan 07, 2019
	Add new Web site: Minerals Education Coalition - Granite.	Gloria Lotha	May 03, 2018
	Media added.	Robert Lewis	May 17, 2016
	Add new Web site: Quatr.us - What is granite?	Grace Young	Feb 27, 2014
	Add new Web site: Buzzle.com - Granite.	Gloria Lotha	Jan 28, 2013
	Add new Web site: New Georgia Encyclopedia - Granite.	Gloria Lotha	Jun 06, 2011
	Geologic time data updated.	Richard Pallardy	Sep 11, 2009
	Added new Web site: Mineral Zone - Granite.	Veenu Setia	Nov 10, 2008
	Article revised and updated.	John P. Rafferty	Dec 08, 2006
	Article added to new online database.	The Editors of Encyclopaedia Britannica	Jul 20, 1998