Ossipee Mountains
The Ossipee Mountains are a small mountain range in the New England state of New Hampshire, United States. The remains of an ancient volcanic ring dike,[1] they lie north of Lake Winnipesaukee, east of Squam Lake, and south of the Sandwich Range, the southernmost of the White Mountains. 2,990 ft (910 m) Mount Shaw is their highest point.
Geology and physiography
The Ossipee Mountains are the remains of a 125 million year-old volcanic ring dike,[1] the remnant of a Cretaceous stratovolcano of the later White Mountain igneous province. The complex is circular in plain view and has a diameter of 14 km.[2] The ring-dike complex is easily identified on satellite images, with its southeast edge located about 5 miles (8 km) northwest of the town center of Ossipee.
Notable summits
- Bald Knob
- Bayle Mountain
- Big Ball Mountain
- Faraway Mountain
- Mount Flagg
- Larcom Mountain
- Nickerson Mountain
- Mount Roberts
- Sentinel Mountain
- Mount Shaw
- Turtleback Mountain
- Mount Whittier
See also
- Castle in the Clouds - a large estate located on the western portion of the Ossipee Mountains.
- Pawtuckaway State Park - a related ring dike in southern New Hampshire
References
- ^ a b Hall, Anthony, Igneous Petrology, Longman, 1987 p.75 - 76 ISBN 0-582-30174-2
- ^ http://faculty.uml.edu/nelson_eby/Field%20Trip%20guides/Ossipee%20NHGS.pdf Ossipee Field Trip Guide
External links
- 3-D image of ring dike
43°44′37″N 71°16′26″W / 43.74361°N 71.27389°W / 43.74361; -71.27389
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- Bayle Mountain
- Larcom Mountain
- Mount Roberts
- Mount Shaw
- Mount Whittier
- Nickerson Mountain
- Turtleback Mountain
- Blue Job Mountain
- Crotched Mountain
- Gap Mountain
- Little Monadnock Mountain
- Lovewell Mountain
- Moose Mountain
- Mount Assurance
- Mount Cardigan
- Mount Kearsarge
- Mount Kelsey
- Mount Magalloway
- Mount Monadnock
- Mount Sunapee
- Pitcher Mountain
- Potanipo Hill
- Ragged Mountain
- Skatutakee Mountain
- Smarts Mountain
- Tenney Mountain
- Thumb Mountain
- Uncanoonuc Mountains
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