Lithologic classification of geologic map units

• Name: Lithologic classification of geologic map units
• Alternative Name: -
• Source Document Link: https://apps.usgs.gov/thesaurus/thesaurus-full.php?thcode=4
• Description: Rock types commonly found on geologic maps. Terms may combine compositional, textural, and genetic characteristics. Also includes unconsolidated materials that may be mapped as units. Not specific enough for categorizing hand samples or outcrops.
• Type: thesaurus
• Used by Disciplines: Geology
• Keywords: rock types, geology, genetic characteristics, samples