(Encyclopedia) Playfair, John, 1748–1819, Scottish mathematician, physicist, and geologist. He was educated at St. Andrews and Edinburgh and taught first mathematics and then physics and astronomy at…
(Encyclopedia) Wyoming, University of, at Laramie; coeducational; land-grant and state supported; chartered 1886, opened 1887. The Rocky Mt. Herbarium, which has an outstanding collection of plants…
(Encyclopedia) Gilbert, Grove Karl, 1843–1918, American geologist, b. Rochester, N.Y., grad. Univ. of Rochester, 1862. When the U.S. Geological Survey was created in the Dept. of the Interior in 1879…
Source: U.S. Dept. of the Interior, Geological Survey About 550 volcanoes have erupted on Earth's surface since recorded history; about 60 are active each…
(Encyclopedia) Woods Hole Oceanographic Institution, at Woods Hole, Mass.; est. 1930. In addition to oceanographic research, it conducts important work in meteorology, biology, geology, and…
(Encyclopedia) Buckland, William, 1784–1856, English geologist. He was dean of Westminster from 1845. First to note in England the action of glacial ice on rocks, he did much to bring physical and…
(Encyclopedia) uniformitarianism, in geology, doctrine holding that changes in the earth's surface that occurred in past geologic time are referable to the same causes as changes now being produced…
Dinosaur communities were separated by both time and geography. The “age of dinosaurs” (the Mesozoic Era) included three consecutive geologic time periods (the Triassic, Jurassic, and Cretaceous…