| New England, August 2012 |
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Eubrontes trackways in the Mesozoic Newark Group strata at Dinosaur State Park in Rocky Hill,
CT
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Along the Hudson River, just north of New York City, an exposed Mesozoic diabase sill
forms the well-known Palisades.
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Cape Cod National Seashore preserves a region first sculptured by ice sheets and currently
being modified by wind and waves.
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Here's our camp on the Sandwich, Massachusetts end moraine.
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Maine's coastline exposes igneous and metamorphic rocks. Here is a layered gabbro
of Devonian age at Cape Neddick. Now you know why there are so many lighthouses in
Maine.
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Granite forms the rocky shoreline at this location in Acadia National Park.
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At Jordan Pond in Acadia National Park are the Bubbles, glacially eroded granite masses
between two glacial valleys.
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Collecting rocks may be refreshing on a hot humid late summer day. New Hampshire offers
a wide range of mineral and rock collecting opportunities.
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Rock of Ages Corporation obtains a gray granite from this dimension stone quarry at
Graniteville, VT.
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Lofty goals are sometimes achieved on our field trips. Garnet was once mined at this
site near North River, NY.
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Almandine garnet is still mined from the Gore Mountain anorthosite. Most of it is
used as an abrasive.
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At Lester Park near Saratoga Springs, NY, Cambrian stromatolites are well displayed.
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A hanging valley at Taughannock Falls State Park exposed Devonian strata along the
western edge of Cayuga Lake (a finger lake) near Trumansburg, NY.
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| Montana, August 2010 |
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One of our first stops was at Theodore Roosevelt National Park at Medora, ND. Here
is striking badlands topography and a rich Plains biota.
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Our westernmost destination was Glacier National Park. Going-to-the-Sun Highway lies
far below this trail in the glaciated Rockies. Note the serrated crest of the Garden
Wall arête in the background.
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Bighorn sheep relax in the forested uplands of the park. Precambrian Belt Supergroup
strata lie above and under the talus slope.
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Mammoth Hot Springs in Yellowstone National Park takes on an aerie appearance on this
cloudy day.
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Fumaroles, steam jets, shoot out the side of Roaring Mountain in Yellowstone National
Park.
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Roadblock! Yellowstone style.
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High in the Beartooth Range of Montana, evidence of alpine glaciation is widespread.
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These are the remains of the Smith Mine, a coal mine, east of Red Lodge, MT. A deadly
blast here in 1943 killed 79 miners.
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Look familiar? This is the badlands of Badlands National Park in South Dakota. The
strata here date to Oligocene time, slightly younger than that at Theodore Roosevelt
National Park in North Dakota.
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| Rocky Mountains, August 2009 |
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A large glacial erratic within Rocky Mountain National Park.
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A contorted Precambrian granite gneiss near Bear Mountain Lake in Rocky Mountain National
Park.
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Solifluction lobes high in Rocky Mountain National Park.
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The "Coke Ovens" hoodoos of Jurassic sandstone at Colorado National Monument.
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Looking northeast from the Uncompahgre Plateau across the Colorado River valley to
the Book Cliffs of the Cretaceous Mesaverde Group.
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Jurassic Entrada Sandstone forms many of the arches and other erosional landforms
in Arches National Park.
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Upheaval Dome in Canyonlands National Park of Utah is a curious pile of Mesozoic strata
surrounded by younger strata has been related to salt intrusion or meteroric impact.
What do you think?
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Underground in the Old Hundred gold mine near Silverton, CO. The operation began in
1898, but was never profitable. The envisioned rich veins were never found.
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Monument Rocks in northwestern Kansas is an erosional remnant of Cretaceous Niobrara
Formation.
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