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Trap is also used to refer to flood (plateau) basalts, such as the Deccan Traps and Siberian Traps. [2] The erosion of trap rock created by the stacking of successive lava flows often creates a distinct stairstep landscape from which the term trap was derived from the Swedish word trappa, which means "stairs". [1] The slow cooling of magma ...
Purple=trap rock; brown and blue-grey=arkose sandstone; beige (righthand only)=conglomerate. Red arrows indicate extent of range. South Sugarloaf Mountain, arkose, is located just below the lower arrow. The Pocumtuck Range is composed of Sugarloaf arkose, a weather resistant sedimentary rock capped in places by a thin ridge of volcanic trap ...
The fault-block Hanging Hills were formed 200 million years ago during the Triassic and Jurassic periods and are composed of trap rock, also known as basalt, an extrusive volcanic rock. Basalt is a dark colored rock, but the iron within it weathers to a rusty brown when exposed to the air, lending the ledges a distinct reddish appearance.
The Preakness Range is a range of the trap rock Watchung Mountains on the western edge of the Newark Basin in northern New Jersey. A large portion of this range is included in High Mountain Park Preserve, offering miles of hiking trails with vistas overlooking New Jersey and New York City. The peaks of the Preakness Range, the highest of the ...
The ridge that forms the spine of the M&M Trail across Provin Mountain, East Mountain, and the Mount Tom and Holyoke ranges was formed 200 million years ago during the late Triassic and early Jurassic periods and is composed of trap rock, also known as basalt, an extrusive volcanic rock. Basalt is a dark colored rock, but the iron within it ...
West Rock Ridge or West Rock of south-central Connecticut, is a 7-mile (11 km) long trap rock mountain ridge located on the west side of New Haven with a high point of 700 feet (213 m) at High Rock, also known as York Mountain. The ridge forms a continuous line of exposed cliffs visible from metropolitan New Haven and points west.
East Rock of south-central Connecticut, United States, with a high point of 366 feet (112 m), is a 1.4-mile (2 km) long trap rock ridge located primarily in the neighborhood of East Rock on the north side of the city of New Haven.
These are known in Dutch as trap or in Swedish as trappa, which has come into English as trap rock, a term particularly used in the quarry industry. [ 15 ] [ 16 ] The great thickness of the basalt accumulations, often in excess of 1,000 meters (3,000 ft), [ 16 ] usually reflects a very large number of thin flows, varying in thickness from ...