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"Confusion Hill" is a terrific, complicated road cut along the Trans Mountain Road in West Texas's Franklin Mountains. A NOVA/EPCC/UTEP team imaged the site with more than a dozen GigaPans at various scales. How many different geologic units can you spot? The sharp-eyed GigaPan viewer will find primary sedimentary str...
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- 42
- Folded contact between New Market Formation (lower) and Lincolnshire Formation (upper), Staunton, Virginia by Callan Bentley
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A lovely exposure (though rather harshly lit) of the contact between two Cambro-Ordovician limestones in the Shenandoah Valley. Geologic map of the site is here: ngmdb.usgs.gov/ngm-bin/pdp/zui_viewer.pl?id=14868
The same contact can be seen in the vicinity of Strasburg, Virginia, here:
www.gigapan.com/gi...-
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- 39
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Massanutten Sandstone, folded into an anticline. To view a sample of the Massanutten Sandstone in macro detail, try this: gigapan.com/gigapans/126687
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- 224
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- 39
- Kink banding in Laurel Formation of Rock Creek Shear Zone, Broad Branch, Washington, DC by Callan Bentley
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An exposure of highly foliated metasedimentary rock (metagraywacke) of the Laurel Formation in Broad Branch, part of Rock Creek Park, in northwest Washington, DC.
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- 274
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- 38
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A detail of the outcrop at Confusion Hill, Franklin Mountains, West Texas.
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- 62
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- Contact between Fauquier Formation marble and Catoctin Formation greenstone, near Lime Kiln Road, Virginia by Callan Bentley
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The contact between the metasedimentary Fauquier Formation (uppermost marble member) and the overlying metavolcanic Catoctin Formation is exposed in an abandoned quarry north of Aldie, Virginia, across Goose Creek from Lime Kiln Road. The nature of this contact (is it conformable? does it show primary or tectonic struc...
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- 540
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- 37
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Cross-sectional view of folded Martinsburg Formation beds . On the left (south), the bedding is oriented 030°, 38° (right hand rule). On the right (north), it's oriented 245°, 30° (right hand rule).
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- 201
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- 37
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Acadian turbidites, folded during the Alleghanian Orogeny. Look for slickensides, trace fossils, turbidity current structures. For more information on the Brallier, check out this map of the location: ngmdb.usgs.gov/ngm-bin/pdp/zui_viewer.pl?id=8643

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- 153
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- 36
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An annotations-only version of an outcrop showing numerous examples of primary sedimentary structures.
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- 162
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- 36
- Klingle Valley metaconglomerate, Laurel Formation, Rock Creek Shear Zone, Washington, DC by Callan Bentley
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Strained metaconglomerate that crops out in a stream in Klingle Valley, DC. A slightly lower-positioned, closer version of this same outcrop is imaged in this second GigaPan: gigapan.com/gigapans/128509
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