Geological Survey

American  

noun

1. U.S. Government. a division of the Department of the Interior, created in 1879, that studies the nation's water and mineral resources, makes topographic surveys, and classifies and leases public lands.

2. (lowercase) a systematic investigation of the geology of an area.

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Geological Survey British  

noun

1. a government-sponsored organization working in the field of geology, such as the US Geological Survey, the Geological Survey of India, or the Institute of Geological Sciences (UK)

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Example Sentences

Geological Survey, the carp can jump as high as 10 feet into the air when spooked by outboard motors or other disturbances.

From The Wall Street Journal • Apr. 8, 2026

Geological Survey geologists first identified rare earth mineralization in the Music Valley area in 1954, with sampling reporting enrichment in dysprosium, terbium, yttrium and ytterbium, Dateline Resources said in a press release.

From Los Angeles Times • Mar. 30, 2026

The politically stable country is Africa's second-largest copper producer, after the conflict-ridden Democratic Republic of Congo, and the world's eighth, according to the US Geological Survey.

From Barron's • Feb. 15, 2026

Overall, 25 of 34 minerals deemed "critical raw materials" by the European Commission are found in Greenland, including graphite, niobium and titanium, according to the 2023 Geological Survey of Denmark and Greenland.

From BBC • Jan. 23, 2026

So a collaboration was formed between the Iowa Geological Survey and the U.S.

From "A Short History of Nearly Everything" by Bill Bryson