Sedimentology
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Sedimentology encompasses the study of modern sediments such as sand, silt, and clay, and the processes that result in their formation, transport, deposition and diagenesis. Sedimentologists apply the
Middle Triassic marginal marine sequence of siltstones and sandstones, southwestern Utah.
Mi Vida uranium mine in redox mudstones near Moab, Utah
Heavy minerals (dark) deposited in a quartz beach sand (Chennai, India).
Centripetal desiccation cracks (with a dinosaur footprint in the center) in the Lower Jurassic Moenave Formation at the St. George Dinosaur Discovery Site at Johnson Farm, southwestern Utah.
Geology
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Geology is a branch of natural science concerned with the Earth and other astronomical bodies, the rocks of which they are composed, and the processes by which they change over time. The name comes fr
Sedimentology
…modern processes to interpret geologic history through observations of sedimentary rocks and sedimentary structures. Sedimentology is a subdiscipline of geology. Sedimentary rocks cover up to 75% of the Earth's surface, record much of the Earth's history, and harbor the fossil record. Sedimentology is closely…
The Grand Canyon, Arizona, in March 2013
The Permian through Jurassic stratigraphy of the Colorado Plateau area of southeastern Utah is an example of both original horizontality and the law of superposition. These strata make up much of the famous prominent rock formations in widely spaced protected areas such as Capitol Reef National Park and Canyonlands National Park. From top to bottom: Rounded tan domes of the Navajo Sandstone; layered red Kayenta Formation; cliff-forming, vertically jointed, red
The mineral zircon is often used in radiometric dating.
The San Andreas Fault in California is a strike-slip fault