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Map of flow field Map of flow field
This map shows recent changes to Kīlauea’s East Rift Zone lava flow field.
Geologic map of the Strawberry Butte 7.5’ quadrangle, Meagher County, Montana Geologic map of the Strawberry Butte 7.5’ quadrangle, Meagher County, Montana
The 7.5′ Strawberry Butte quadrangle in Meagher County, Montana near the southwest margin of the Little Belt Mountains, encompasses two sharply different geologic terranes. The northern three-quarters of the quadrangle are underlain mainly by Paleoproterozoic granite gneiss, across which Middle Cambrian sedimentary rocks rest unconformably. An ancestral valley of probable late Eocene age...
Geologic map of the Beacon Rock quadrangle, Skamania County, Washington Geologic map of the Beacon Rock quadrangle, Skamania County, Washington
The Beacon Rock 7.5′ quadrangle is located approximately 50 km east of Portland, Oregon, on the north side of the Columbia River Gorge, a scenic canyon carved through the axis of the Cascade Range by the Columbia River. Although approximately 75,000 people live within the gorge, much of the region remains little developed and is encompassed by the 292,500-acre Columbia River Gorge...
Satellite image shows location of breakouts on flow field Satellite image shows location of breakouts on flow field
This satellite image was captured on Friday, June 2, by the Sentinel-2 satellite operated by the European Space Agency.
Map of flow field Map of flow field
This map shows recent changes to Kīlauea’s East Rift Zone lava flow field.
Sedimentological and petrographic analysis of drill core FC77-1 from the flank of the central uplift, Flynn Creek impact structure, Tennessee Sedimentological and petrographic analysis of drill core FC77-1 from the flank of the central uplift, Flynn Creek impact structure, Tennessee
Drill core FC 77‐1 on the flank of the central uplift, Flynn Creek impact structure, Tennessee, contains 175 m of impact breccia lying upon uplifted Lower Paleozoic carbonate target stratigraphy. Sedimentological analysis of this 175‐m interval carbonate breccia shows that there are three distinct sedimentological units. In stratigraphic order, unit 1 (175–109 m) is an overall coarsening...