The Bjorne Formation is a formation of
sandstone
Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.
Most sandstone is composed of quartz or feldspar (both silicates ...
s and
shale
Shale is a fine-grained, clastic sedimentary rock formed from mud that is a mix of flakes of clay minerals (hydrous aluminium phyllosilicates, e.g. kaolin, Al2 Si2 O5( OH)4) and tiny fragments (silt-sized particles) of other minerals, especia ...
s in the
Canadian Arctic Archipelago
The Arctic Archipelago, also known as the Canadian Arctic Archipelago, is an archipelago lying to the north of the Canadian continental mainland, excluding Greenland (an autonomous territory of Denmark).
Situated in the northern extremity of No ...
.
The southern edge of the formation includes petroleum reserves in
Melville Island.
The basin also includes
Mackenzie King Island
Mackenzie King Island is one of the uninhabited Queen Elizabeth Islands in northern Canada. It lies north of Melville Island and south of Borden Island, and like them is divided when it comes to administration. Most of the island is in Northwe ...
,
Lougheed Island
Lougheed Island is one of the uninhabited members of the Queen Elizabeth Islands of the Arctic Archipelago in the Qikiqtaaluk Region, Nunavut. It measures in size. It is relatively isolated compared to other Canadian Arctic islands, and is locate ...
and portions of
Prince Patrick Island
A member of the Arctic Archipelago, Prince Patrick Island is the westernmost of the Queen Elizabeth Islands in the Northwest Territories of Canada, lying northwest of Melville Island. The area of Prince Patrick Island is , making it the 55th la ...
,
Borden Island
Borden Island is an uninhabited, low-lying island in the Queen Elizabeth Islands of northern Canada.
Some features and history
With an area of in size, long and wide, Borden is the 171st largest island in the world, and Canada's 30th larges ...
,
Ellef Ringnes Island
Ellef Ringnes Island is one of the Sverdrup Islands in the Qikiqtaaluk Region, Nunavut, Canada. A member of the Queen Elizabeth Islands and Arctic Archipelago, it is located in the Arctic Ocean, east of Borden Island, and west of Amund Rin ...
,
Amund Ringnes Island, and
Cornwall Island.
The formation underlies the
Murray Harbour Formation and overlies the
Blind Fiord,
Lindstrom and
Trold Fiord Formations.
Oil and gas deposits are confirmed through the basin.
[
The southern and eastern margins are more than 1000 meters, sometimes nearly 2000 meters, thick.]
References
Bibliography
* {{cite LSA , last=Midwinter , first=Derrick W , year=2012 , title=The Lower Triassic Bjorne Formation: from deposition to diagenesis in the eastern Sverdrup Basin, Ellesmere Island, Nunavut, Canada , url=http://earthsciences.dal.ca/aboutus/publications/theses/BSc/ES_2012_BSc_Midwinter_Derrick.pdf , publisher=Dalhousie University
Dalhousie University (commonly known as Dal) is a large public research university in Nova Scotia, Canada, with three campuses in Halifax, a fourth in Bible Hill, and a second medical school campus in Saint John, New Brunswick. Dalhousie offer ...
, pages=1–82 , accessdate=2018-08-07
Geologic formations of Canada
Triassic Canada
Sandstone formations of Canada
Shale formations
Source rock formations