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Columbia River Basalt Group

The Columbia River Basalt Group CRBG is the youngest smallest and one of the bestpreserved continental flood basalt province on Earth covering over 210000 km 2 of mainly eastern Oregon and Washington western Idaho and part of northern Nevada

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  • Columbia River Basalt Group and related flows ORTc0
    Columbia River Basalt Group and related flows ORTc0

    Geologic unit mapped in Oregon Subaerial basalt and minor andesite lava flows and flow breccia submarine palagonitic tuff and pillow complexes of the Columbia River Basalt Group Swanson and others 1979 locally includes invasive basalt flows Flows locally grade laterally into subaqueous pillowpalagonite complexes and bedded palagonitic tuff and breccia

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  • Columbia River Basalt Group Stretches from Oregon to Idaho
    Columbia River Basalt Group Stretches from Oregon to Idaho

    The Columbia River Basalt Group CRBG is the youngest smallest and one of the bestpreserved continental flood basalt province on Earth covering over 210000 km 2 of mainly eastern Oregon and Washington western Idaho and part of northern Nevada

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  • Fieldtrip guide to the vents dikes stratigraphy and
    Fieldtrip guide to the vents dikes stratigraphy and

    The Columbia River Basalt Group covers an area of more than 210000 km2 with an estimated volume of 210000 km3 As the youngest continental floodbasalt province on Earth 16755 Ma it is well preserved with a coherent and detailed stratigraphy exposed in the deep canyonlands of eastern Oregon and southeastern Washington The Columbia River floodbasalt province is often cited as a

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  • Revisions in Stratigraphic Nomenclature of the
    Revisions in Stratigraphic Nomenclature of the

    REVISIONS IN STRATIGRAPHIC NOMENCLATURE OF THE COLUMBIA RIVER BASALT GROUP By D A SWANSON T L WRIGHT P R HOOPER1 and R D BENTLEY2 ABSTRACT New stratigraphic nomenclature for units within the Columbia River Basalt Group is introduced to revise and expand that currently in use it is based largely on sub

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  • Columbia River Basalt Group Wikipedia Republished
    Columbia River Basalt Group Wikipedia Republished

    The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States It is found in the US states of Washington Oregon Idaho Nevada and California The Basalt group includes the Steen and Picture Gorge basalt formations

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  • Field studies in the Columbia River basalt Northwest USA
    Field studies in the Columbia River basalt Northwest USA

    The Columbia River Basalt Group is a large igneous province in north west USA that was erupted catastrophically under water as the floodwaters of Noahs Flood were receding from the continent

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  • The Columbia River Basalt Group Exposed by the Ice Age
    The Columbia River Basalt Group Exposed by the Ice Age

    THE COLUMBIA RIVER BASALT GROUP The Columbia Basin of eastern Washington is plastered with deep layers of a fine grained black rock known as basalt The basalt is lava that cooled and hardened after it flooded over the landscape These astounding lava floods occurred on a scale unequalled anywhere else on the entire planet

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  • Columbia River Basalt Stratigraphy in the Pacific Northwest
    Columbia River Basalt Stratigraphy in the Pacific Northwest

    The Columbia River Basalt Group CRBG consists of a thick sequence of Miocene flood basalt that covered northern Oregon eastern Washington and western Idaho between 17 and 6 million years ago It is an important regional aquifer system and in its folded and faulted flows it records the late Cenozoic structural evolution of much of the Pacific Northwest

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  • Columbia River Flood Basalts Volcano World Oregon
    Columbia River Flood Basalts Volcano World Oregon

    The Columbia River Flood Basalt Province forms a plateau of 164000 square kilometers between the Cascade Range and the Rocky Mountains In all more than 300 individual large average volume 580 cubic km lava flows cover parts of the states of Idaho Washington and Oregon At some locations the lava is more than 3500 m thick

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  • Columbia River Basalt Group Infogalactic the planetary
    Columbia River Basalt Group Infogalactic the planetary

    The Columbia River Basalt Group is thought to be a potential link to the Chilcotin Group in southcentral British Columbia Canada The Latah Formation sediments of Washington and Idaho are interbedded with a number of the Columbia River Basalt Group flows and outcrop across the region

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  • Columbia River Basalts Mantle plume
    Columbia River Basalts Mantle plume

    Third the huge outpourings of tholeiitic magma of the lower Steens Mountain and the Columbia River Basalt Group CRBG that are regarded as representing the original plume head initially move north rather than east with time with the great majority of the CRBG erupting in northeast Oregon and southeast Washington rather than in southeast

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  • The Columbia River Basalt Group from the gorge to the sea
    The Columbia River Basalt Group from the gorge to the sea

    Abstract Miocene flood basalts of the Columbia River Basalt Group inundated eastern Washington Oregon and adjacent Idaho between 17 and 6 Ma Some of the more voluminous flows followed the ancestral Columbia River across the Cascade arc PugetWillamette trough and the Coast Range to the Pacific Ocean

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  • The Columbia River Basalt GroupFrom the gorge to
    The Columbia River Basalt GroupFrom the gorge to

    Miocene ood basalts of the Columbia River Basalt Group inundated eastern Washington Oregon and adjacent Idaho between 17 and 6 Ma Some of the more voluminous ows followed the ancestral Columbia River across the Cascade arc PugetWillamette trough and the Coast Range to the Paci c Ocean We have used

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  • Columbia River Flood Basalts Volcano
    Columbia River Flood Basalts Volcano

    Columbia River Basalts Features of a Typical Flow Features of a Typical Flow Typical joint features in the Roza Member of the Columbia River Flood Basalt based on the exposure at Banks Lake Washington From Self and others 1997 Perhaps the most characteristic feature of the Columbia River Flood Basalt Province is the similarity of individual lava flows

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  • Columbia River Basalt Group
    Columbia River Basalt Group

    The Columbia River Basalt Group including the Steen and Picture Gorge basalts extends over portions of five states The Columbia River Basalt Group is a large igneous province that lies across parts of the Western United States It is found in

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  • Columbia River Basalt Province ISU
    Columbia River Basalt Province ISU

    Geology Age and Extent of the Columbia River Basalts The Columbia River Basalts were deposited between 175 and 6 million years ago and cover an area of approximately 164000 km 2 see Figure 1Five main episodes of volcanism occurred in western Idaho central and southern Washington and northern Oregon

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  • Groundwater Level Declines in the Columbia River Basalt
    Groundwater Level Declines in the Columbia River Basalt

    The Columbia River Basalt Group CRBG hosts a regional aquifer system that is the primary and in many cases the only water supply for numerous communities small water systems individual homes industry and agriculture in eastcentral Washington In this central portion of the semiarid Columbia Plateau primarily in Adams County and

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  • Columbia River Basalt Groupoutrageous geologictimepics
    Columbia River Basalt Groupoutrageous geologictimepics

    Columbia River Basalt Groupoutrageous I cant stop thinking about the Columbia River Basalt Groupthe series of basalt flows that blanketed so much of my state of Oregon about 15 million years ago Abbreviated as CRBG it covers a lot of Washington too as well as parts of western Idaho and northern Nevada

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  • Geology Nez Perce
    Geology Nez Perce

    Mar 17 2020 Dominating the geology of the Clearwater Subarea are the Columbia River Basalts Although the greater Columbia River Basalt Group has been intensively studied research specific to the Clearwater Subarea is rather limited The Columbia River Basalt Group is composed of over 170000 km 3 of basalt erupted from 300 identified high volume basalt

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  • Rapid eruption of the Columbia River flood basalt and
    Rapid eruption of the Columbia River flood basalt and

    The Columbia River Basalt Group CRBG is the youngest smallest and bestpreserved continental flood basalt It erupted 210000 km 3 of lava in the Pacific Northwest United States between 17 and 5 million years Ma ago

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