- Sort:
- Most Popular | Most Recent
-
Close up of some of the breccia cemented by siliceous and iron/manganese oxide cements. Image brought to you by the Mid-Atlantic Geo-Image Collection (M.A.G.I.C.).
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 418
- Explore Score
- 35
-
Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 203
- Explore Score
- 34
-
Here is the base of the Foreknobs section exposed along rt 50 near Chambersville Virginia on the east limb of the Mt Pleasent Syncline. Here is shown the lowest massive marine sandstone which seperates itself from silty/sandy turbidites of the Brallier Formation. This Image is part of the Mid Atlantic Geo-Imagery Col...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 181
- Explore Score
- 34
-
The Massanutten sandstone is a Silurian-aged passive margin deposit that is correlative to the Tuscarora Formation of the western Valley & Ridge province. A bed is exposed here in a subvertical orientation along the Woodstock Tower Road, near its summit. Perspective is looking across strike to the west-northwest. Trace...
-
Stats
- Favorites
- 1
- Comments
- Snapshots
- Total Views
- 438
- Explore Score
- 32
-
Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 185
- Explore Score
- 31
- Graywacke and Tafoni Weathering on Sandstone, Ocean Beach, San Francisco, CA by Robin Rohrback-Schiavone
-
Ocean Beach in San Francisco showcases some of the jumbled mess that is the Franciscan Complex. Here you can see graywacke abutting tafoni-weathered sandstone. Behind this wall is a small sea cave in which, until storms deposited about four feet of sediment in two years, the contact between the graywacke and underlying...
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 303
- Explore Score
- 31
-
Outcrop of the late-Ordovician-aged Martinsburg Formation (turbidites/flysch) shed off the Taconian Orogen to the east into the adjacent deep marine basin. The strata were later tilted and cleaved during Alleghanian mountain-building.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 234
- Explore Score
- 31
-
Close up of some of the breccia cemented by manganese and iron oxide cements. Image brought to you by the Mid-Atlantic Geo-Image Collection (M.A.G.I.C.).
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 305
- Explore Score
- 30
-
Quartz arenite of the Tuscarora Formation (Silurian-age) exposed in a road cut through the Hanging Rock Anticline, West Virginia.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 154
- Explore Score
- 27
- "Cub Sandstone" (Uppermost Martinsburg Formation), near Catherine Furnace, Virginia by Callan Bentley
-
Outcrop on the road in to Catherine Furnace.
-
Stats
- Favorites
- 0
- Comments
- Snapshots
- Total Views
- 445
- Explore Score
- 26

