Cross-bedding in Triassic sandstone
Cross-bedding in Triassic New Haven Arkose, Connecticut (230819-10)
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Close-up image of Triassic sandstone: New Haven Arkose, Connecticut (230819-17)
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Close-up image of Triassic sandstone: New Haven Arkose, Connecticut (230819-24)
Download ImageTriassic New Haven Arkose
Triassic sandstone: New Haven Arkose, Connecticut (230819-26)
Download ImageStream erosion of granitic rock, New Hampshire
Stream erosion of granitic rock: the Basin along the Pemigewasset River, Franconia Notch State Park, New Hampshire. The granite is part of the Jurassic Conway Granite. (IP2409-6447)
Download ImageDevonian-age granite, Vermont
Close-up of Devonian granite from near Barre, Vermont (241006-7)
Download Image241004-62
Migmatite gneiss and pegmatite bodies in Devonian Littleton Formation, New Hampshire (241004-62)
Download ImageIntruded migmatite (vertical)
Pegmatite intruding migmatite gneiss, New Hampshire. Migmatite was originally the Silurian Rangeley Formation (241004-54)
Download ImageFolded migmatite gneiss, N Hampshire
Folded migmatite gneiss, New Hampshire. Migmatite was originally the Silurian Rangeley Formation (241004-51)
Download Imagepegmatite intruding migmatite, N Hampshire
Pegmatite dikes intruding migmatite gneiss, New Hampshire. Migmatite was originally the Silurian Rangeley Formation. (241004-42)
Download ImageJackson Falls and granitic rock, New Hampshire
Jackson Falls, New Hampshire. Bedrock is Mesozoic granitic rock (241004-27)
Download ImageMegacrystic granite, New Hampshire
Large feldspar crystals in Jurassic granite (Conway Granite), New Hampshire (241004-21)
Download ImageIntrusive contact: basalt into granite
Close-up of intrusive contact of mafic dike into Jurassic granite, New Hampshire (241004-10)
Download ImageRoche Moutonee, New Hampshire
Roche Moutonee in the White Mountains of New Hampshire (241003-53)
Download ImageSheeting in granite, New Hampshire
Sheeting joints on Cannon Mountain at Franconia Notch, New Hampshire made of Jurassic Conway Granite (241003-46)
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Schist, Vermont
Erosion of steeply dipping schist at Warren Falls, Vermont (241002-53)
Download ImageRecumbent fold in schist, New Hampshire
Recumbently folded schist and quartz veins, Vermont (241002-6)
Download ImagePlunging Anticline, Colorado Front Range
Aerial view of folded Upper Paleozoic and Mesozoic rock along the eastern edge of northern Colorado’s Front Range. (240930-31)
Download ImageBasement gneiss, Colorado
Aerial view of Proterozoic metamorphic rock of the glaciated Mummy Range, Rocky Mountain National Park, Colorado. Mt. Ypsilon in center-left. (240930-27)
Download ImageEast-dipping Cambrian strata, Death Valley , CA
East-tilted Cambrian strata, Death Valley National Park, California. White band is the Zabriskie Quartzite –note how it illustrates the Rule of Vs. Death Valley is a half-graben situated among these tilted fault blocks. (180311-19)
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