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The East Rock trap rock ridge overlooking New Haven, Connecticut, U.S. Trap rock forming a characteristic pavement, Giant's Causeway, Northern Ireland Trap rock cliff overlooking the Hudson River from an overlook on the Hudson Palisades in Bergen County, New Jersey, U.S. Trap rock forming a characteristic stockade wall, Giant's Causeway, Northern Ireland
Samuel de Champlain recorded their existence on September 1, 1615, when he passed the weirs with the Huron en route to the battle with the Iroquois on the south east side of Lake Ontario. The Mnjikaning Fish Weirs was officially recognized as a National Historic Site of Canada on 12 June 1982. [ 7 ]
The Bancroft Rockhound Gemboree is a four-day event in Bancroft, Ontario where mineral collectors and vendors meet to trade rocks and minerals. It has been occurring annually since 1963. It has been occurring annually since 1963.
The geology of Ontario is the study of rock formations in the most populated province in Canada- it is home to some of the oldest rock on Earth. The geology in Ontario consists of ancient Precambrian igneous and metamorphic rock which sits under younger, sedimentary rocks and soils. Around 61% of Ontario is covered by the Canadian Shield. The ...
Traprock or trap rock may refer to: Trap rock, form of igneous rock exhibiting polygonal vertical fractures; Traprock Important Bird Area, Queensland, Australia; Trap Rock River, Michigan, USA; Walter E. Traprock, pseudonym of American architect and author George Shepard Chappell
The Gunflint chert (1.88 Ga [1]) is a sequence of banded iron formation rocks that are exposed in the Gunflint Range of northern Minnesota and northwestern Ontario along the north shore of Lake Superior. The Gunflint Chert is of paleontological significance, as it contains evidence of microbial life from the Paleoproterozoic. [2]
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The Abitibi greenstone belt is a 2,800-to-2,600-million-year-old greenstone belt that spans across the Ontario–Quebec border in Canada. [1] It is mostly made of volcanic rocks, but also includes ultramafic rocks, mafic intrusions, granitoid rocks, and early and middle Precambrian sediments.