- Sort:
- Most Popular | Most Recent
-
Viewed from Frederick County (Opequon Creek is the dividing line), you can see strata of the Ordovician-aged Edinburg Formation limestones and shales. These anticlines and synclines formed during Alleghanian mountain-building in the late Paleozoic. Another set of folds is just upstream: gigapan.org/gigapans...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 589
- Explore Score
- 1
-
This amazing piece of float was located under the Route 15 Bridge in Point of Rocks, MD. My current thinking is that the lower left corner is Catoctin formation but I am scratching my head over the upper right portion. Perhaps it is also Catoctin Metabasalt just with a different, more rigid consistancy. However, the p...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 549
- Explore Score
- 1
-
A recumbent fold is exposed in the walls of an abandoned limestone quarry next to the Shenandoah River in Page County, Virginia.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 529
- Explore Score
- 1
-
LIDAR imagery provided by Dan Doctor, USGS Reston. This map view shows fine-scale topographic variation along the western Blue Ridge front, where the Blue Ridge geologic / physiographic province meets the easternmost Valley & Ridge province (Shenandoah Valley). The most striking feature is the beautiful expressio...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 513
- Explore Score
- 1
-
This outcrop is located along the new portions of West Virginia Route 55 west of the town of Moorefield. The view is looking at the south side of the freeway and overlooking the total extent of an incredible road-cut exposure of folded paleozoic sedimentary strata over 500 meters long. This fine example of tectonic ...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 512
- Explore Score
- 1
-
Looking at an anticline in the Ordovician-aged Edinburg Formation from Frederick County, Virginia, on the western shore of Opequon Creek, gazing across into Clarke County. Strata are Ordovician; deformation is Alleghanian (late Paleozoic). Another set of folds is just upstream: gigapan.org/gigapans/120300 ...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 495
- Explore Score
- 1
-
Radiolarian chert in Marin headlands; shot with Canon SX110IS at 10x zoom
-
-
Stats
- Favorites
- 1
- Comments
- 0
- Snapshots
- 2
- Total Views
- 493
- Explore Score
- 1
-
-
Geologic map overlay is the 1974 Geologic Map of the Ashby Gap quadrangle, by T.M. Gathright, Jr. and P.G. Nystrom, Jr. You can buy a copy here: www.dmme.virginia.gov/commerce/ProductDetails.aspx?productID=2184
Or you can download a PDF of it here: www.dmme.virginia.gov/commercedocs/RI_36.pdf
The LIDAR...-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 453
- Explore Score
- 1
-
This great little anticline is one of several accessable from the Veach Gap trail in George Washington National Forest, Fort Valley, Virginia. The rocks are from the Massanutten formation, a Silurian quartz arenite to quartzite. The folds seen here are parasitic folds which relate to the larger Massanutten Synclinorium...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 376
- Explore Score
- 1
-
Fold Pair in upper Conococheague Formation.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 341
- Explore Score
- 1

