The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over...
35 KB (4,199 words) - 22:19, 25 June 2024
Ontong Java Plateau, and the Chilcotin Group, though the latter may be linked to the Columbia River Basalt Group. Large igneous provinces have been connected...
42 KB (4,896 words) - 11:47, 19 April 2024
lava. The Columbia River Basalt Group consists of seven formations: The Steens Basalt, Imnaha Basalt, Grande Ronde Basalt, Picture Gorge Basalt, Prineville...
7 KB (681 words) - 19:58, 17 December 2023
large igneous provinces: the Paraná and Etendeka traps and the Columbia River Basalt Group. The latter is the most recent large igneous province, and also...
61 KB (3,692 words) - 12:50, 14 June 2024
distribution. The Chilcotin Group were thought to potentially be linked to the partly coeval Columbia River Basalt Group. However, its morphology and...
6 KB (658 words) - 04:48, 2 July 2023
drainage basins. It is named for the Columbia Plateau, a flood basalt plateau formed by the Columbia River Basalt Group during the late Miocene and early...
19 KB (2,076 words) - 05:12, 28 February 2023
Oregon and Washington Columbia River drainage basin, a drainage basin covering parts of U.S. and Canada Columbia River Basalt Group, a set of rock layers...
494 bytes (104 words) - 21:08, 13 November 2019
Large igneous province (redirect from Continental flood basalt)
of these LIPs consist of basalt, but some contain large volumes of associated rhyolite (e.g. the Columbia River Basalt Group in the western United States);...
43 KB (4,620 words) - 06:22, 2 July 2024
categories: The Steens Basalt, Grande Ronde Basalt, the Wanapum Basalt, and the Saddle Mountains Basalt. The Columbia River flood basalt province comprises...
36 KB (3,225 words) - 12:45, 2 April 2024
overlapping basaltic andesite shields. Basaltic andesite is a component of back-arc basin basalt suites. The Columbia River Basalt Group is composed of...
7 KB (802 words) - 09:25, 2 July 2024
composed of basalt gravel and tuffaceous sediment. The Alkali Canyon Formation overlies the Columbia River Basalt Group, a layer of flood basalt from the...
5 KB (261 words) - 17:28, 9 July 2024
Ringold Formation (category Columbia River)
consists of sediment laid down by the Columbia River following the flood basalt eruptions of the Columbia River Basalt Group, and reaches up to 1,000 feet (300 m)...
11 KB (1,107 words) - 22:39, 16 September 2022
Belt formed by north–south compression of lava flows in the Columbia River Basalt Group. The highest point is Bickleton Ridge in the west end of the...
40 KB (4,009 words) - 22:07, 4 May 2024
List of large volume volcanic eruptions in the Basin and Range Province (section Columbia River Basalt Province-sources)
volume of the Columbia River Basalt Group", in Reidel, S.P. & Hooper, P.R. (eds.), Volcanism and tectonism in the Columbia River flood basalt province Spec...
57 KB (6,198 words) - 16:56, 19 June 2024
Ochoco Mountains, and Steens Mountain. Volcanic basalt flows from the Columbia River Basalt Group covered large sections of Eastern Oregon 6 to 17 million...
24 KB (2,303 words) - 03:58, 8 June 2024
Geology portal Columbia River Basalt Group Emeishan Traps Geology of India Krishna Godavari Basin Lameta Formation List of flood basalt provinces List...
28 KB (3,107 words) - 10:50, 6 July 2024
erosion, representing the last 60 million years. Basalt deposits from the Columbia River Basalt Group almost entirely surround the base of Strawberry Mountain...
6 KB (596 words) - 22:57, 16 April 2024
the east. Portions of the region are part of a basalt plateau formed by the Columbia River Basalt Group, others are part of the slopes of the Cascades...
39 KB (3,517 words) - 21:52, 25 June 2024
the subject. The Olympic–Wallowa lineament likely predates the Columbia River Basalt Group. Raisz located the OWL particularly from Cape Flattery (the northwest...
118 KB (14,417 words) - 05:14, 22 January 2024
state park. Underlying the Simcoe Mountains is basalt that was erupted by the Columbia River Basalt Group from vents to the east as recently as 14.5 million...
27 KB (2,954 words) - 23:49, 17 February 2024
mantle of variable thickness that lies upon either the Miocene Columbia River Basalt Group, non-glacial Pliocene fluvial sediments of the Ringold Formation...
27 KB (2,896 words) - 23:16, 17 June 2024
Idaho. The lake beds are interbedded with igneous rock of the Columbia River Basalt Group. The formation was originally detailed from a site in Spokane...
4 KB (272 words) - 02:31, 3 December 2023
National Park Service)". www.nps.gov. Retrieved 2024-04-10. "Columbia River Basalt Group Stretches from Oregon to Idaho | U.S. Geological Survey". www...
11 KB (881 words) - 19:30, 14 July 2024
category are most basalts of the ocean floor, most large oceanic islands, and continental flood basalts such as the Columbia River Plateau. High and low...
69 KB (7,764 words) - 21:21, 8 July 2024
Climatic Optimum (MMCO), which was driven by the emplacement of the Columbia River Basalt Group. Around 11 Ma, the Middle Miocene Warm Interval gave way to the...
25 KB (2,633 words) - 22:40, 2 July 2024
377 feet (115 m) deep, exposing a large cross-section of the Columbia River Basalt Group. These falls and the canyon downstream are an important feature...
11 KB (1,036 words) - 05:39, 11 April 2024
Yellowstone hotspot (redirect from Snake River Plain-Yellowstone Hotspot)
Revisions to the estimates of the areal extent and volume of the Columbia River Basalt Group. Geological Society of America Special Papers. Vol. 239. Geol...
40 KB (4,303 words) - 08:18, 6 May 2024
begins splitting the Farallon Plate in two. 17 Ma - 14 Ma Miocene Columbia River Basalt Group Forms. 8 Ma Miocene Onset of faulting creating the Basin and...
4 KB (99 words) - 19:00, 21 October 2023
Wallula Gap (redirect from Twin Sisters Basalt)
massive fissure flood basalts of the Columbia River Basalt Group. During the basalt eruptions, the southern and western Columbia Plateau, which included...
11 KB (1,156 words) - 06:39, 24 August 2023
formation consists of two contrasting series of layers from the Columbia River Basalt Group. The layers are separated by an unconformity and provide an unobstructed...
3 KB (222 words) - 16:30, 21 September 2022