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Garnets weathering out of a gneiss boulder (Tolland County, CT). Same boulder as share.gigapan.org/viewGigapan.php?id=11125, but different angle (and lighting, apparently - less issue with trees, more issue with overexposure, perhaps.)
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One of series of Jurassic aged lake bed sediments outcropping along Route 9 in central Connecticut. The thin layers in the middle of this outcrop represent the lake bottom (that's a nice organic-rich shale in the middle), while the more massive red sandstones on either side were deposited on land. More from this...
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Part of the largest natural sand dune in the eastern United States - and a state park (used for sightseeing, kite flying, hang gliding, etc.) The "haziness" along the top of the sand surface is moving sand - the wind was pretty strong and constant that day. The water visible in the background is Roanoke Sound.
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Rather large garnet in a rather small gneiss boulder (Tolland County, CT). The garnets seem to be associated with a vein of white minerals (feldspars, mostly) within the gneiss -- this boulder contains a rather large example (4-5 cm), as most of the local garnets are millimeter scale (0.1 - 1 cm in size).
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Outcrop of the Triassic age New Haven Formation (arkosic sandstones & shales/mudstones) in Simsbury, CT
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Gneiss / pegmatite ledges form pools along the Natchaug River in northeastern Connecticut. We didn't hike the entire way back to the swimming hole known as Diana's Pool (this is along the hike) - the outcrop here was too photogenic (and we had other sites to visit!)
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The off/on ramp for Route 6 at Route 32 in Willimantic, CT exposes some gneiss cliffs...
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More of the Hebron Gneiss (Gillette Castle State Park, CT). A lovely outcrop that is full of abused rocks - some form boudins (stretched crystals), others more deformed ("sigma structures", where the crystals are stretched into almost 's' shapes by the forces altering the rock), and others simply melted under the st...
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First in a series of pans of exposures of the Talcott basalt (early Jurassic age, ~200 million years old) in Meriden, CT Pillow basalts form when lava is erupted underneath water (typically oceans, but in this case a briny lake). The water quickly cools the outside of the lava, but the inside is still pushing outwa...
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Outcrop of Hebron gneiss along the Connecticut River in Gillette Castle State Park (CT). I was trying to get some of the shear stress indicators in the gneiss here - missed some, got some others. There are some nice examples of boudinage in this particular rock face. More info on the geology of this particular a...
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