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Sandy River erosion
No full textExamples of erosion on the outside bends of the meandering Sandy River and sand/cobble bar deposition on the inside of the bend. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/37018/thumbnail.jp
The Arches, Newfoundland
No full textNatural arches formed by wave action in Ordovician dolomitic conglomerate. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/37077/thumbnail.jp
The Arches, Newfoundland
No full textNatural arches formed by wave action in Ordovician dolomitic conglomerate. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/37080/thumbnail.jp
L\u27Anse aux Meadows World Heritage Site
No full textSite of first Nordic Settlement in North America in the year 1000., Bob Marvinney, Tom Weddle, Walter Anderson - Maine Geological Survey; Joe Kelley (UM) next to boat. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/37106/thumbnail.jp
Thrust fault in Frontenac Formation
No full textBroken sandstone beds of the Frontenac Formation in the upper plate of a thurst fault zone at the international border on Route 201. Note prominent sub-horizontal bed near bottom of image. The second image is from the same large road cut and shows steeply dipping beddding and a fold toward the right side. Bedding is highly distrupted by faulting. Note that much of this roadcut was destroyed by subsequent improvements at the border crossing. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36860/thumbnail.jp
Pillow basalt, Canada Falls volcanics
No full textPillow basalt in the Canada Falls volcanics of the Frontenac Formation. Contains large calcite amygdules toward the center of the pillow and finer grainied rim. Location is approximate. There are numerous basalt outcrops in this vicinty that are exposed at low water levels. The second image shows nearly vertical bedding in flattened pillow basalts. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36872/thumbnail.jp
Thrasher Peaks Fault
No full textClasts of Attean pluton rocks in slate matrix. The clasts were sheared from the pluton and carried along the right-lateral Thrasher Peaks Fault to this location. Shearing parallel to long axis of image. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36895/thumbnail.jp
Sheared Attean quartz monzonite
No full textSheared Attean quartz monzonite within the broader Thrasher Peaks fault zone. Right-lateral shear from left to right. Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36896/thumbnail.jp
Thrust fault complex, Seboomook Group
No full textImbricated thrust faults deform a single quartzite layer in Saint John River Formation, Seboomook Group Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36907/thumbnail.jp
Wells Beach sand after harbor dredge
No full textLevel of sand on Wells Beach following harbor dredge in December 2000. Casino Square. Red line on seawall marks maximum elevation of sand immediately following the dredge Project Name: Marvinney Historical Photoshttps://digitalmaine.com/mgs_geologic_field_photos/36937/thumbnail.jp