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  2. Pawtuckaway State Park - Wikipedia

    en.wikipedia.org/wiki/Pawtuckaway_State_Park

    The Pawtuckaway ring dike includes a boulder field of interest to bouldering climbers, [8] and the park is a popular destination for geocaching. The lake is a 783-acre (317 ha) water body with numerous islands and coves and is a popular boating, fishing, and swimming destination.

  3. Ossipee Mountains - Wikipedia

    en.wikipedia.org/wiki/Ossipee_Mountains

    Coordinates: 43°44′37″N 71°16′26″W. The Ossipee Mountains, as seen from the south across Lake Winnipesaukee from the Belknap 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 ...

  4. Nottingham, New Hampshire - Wikipedia

    en.wikipedia.org/wiki/Nottingham,_New_Hampshire

    The town's highest point is the North Peak of Mount Pawtuckaway, at 995 feet (303 m) above sea level. The circular-shaped Pawtuckaway Mountains are a prime example of what geologists term a ring dike complex. Named communities in the town include Nottingham village, Nottingham Square, North Nottingham, and West Nottingham.

  5. Ring dike - Wikipedia

    en.wikipedia.org/wiki/Ring_dike

    A ring dike or ring dyke is an intrusive igneous body that is circular, oval or arcuate in plan and has steep contacts. [1] While the widths of ring dikes differ, they can be up to several thousand meters. [2] The most commonly accepted method of ring dike formation is directly related to collapse calderas. [3]

  6. NASA image reveals rare volcanic formation

    www.aol.com/article/2015/07/28/nasa-image...

    According to NASA, the area contains "one of the world's largest and best preserved alkaline ring dike. South Africa's Pilanesberg National Park is known for its wildlife, but it is also home to a ...

  7. 1940 New Hampshire earthquakes - Wikipedia

    en.wikipedia.org/wiki/1940_New_Hampshire_earthquakes

    These mountains are the remains of an ancient volcanic ring dike. A similar ring dike can be seen in southern New Hampshire at Pawtuckaway State Park. Damage. Both earthquakes had surface magnitudes estimated at 5.5 and a Mercalli intensity of VII, and spawned waves of minor damage.

  8. Mount Shaw - Wikipedia

    en.wikipedia.org/wiki/Mount_Shaw

    Mount Shaw. /  43.74394°N 71.274112°W  / 43.74394; -71.274112. Mount Shaw is a mountain located in the towns of Moultonborough and Tuftonboro in Carroll County, New Hampshire, United States. It is part of the remains of an ancient volcanic ring dike. [2] With a summit elevation of 2,990 feet (911 m), it is the highest of the Ossipee ...

  9. Pawtuckaway Lake - Wikipedia

    en.wikipedia.org/wiki/Pawtuckaway_Lake

    Nottingham. Pawtuckaway Lake (official name Pawtuckaway Pond[1]) is a 784-acre (3.17 km 2) [2] reservoir in Rockingham County in southeastern New Hampshire, United States, in the town of Nottingham. The lake is located in the Piscataqua River drainage basin. The lake presently has two dams and three dikes.