Tetapaga Syncline
Encyclopedia
The Tetapaga Syncline, also known as the Lake Tetapaga Syncline, is a northeasterly trending syncline
in Northeastern Ontario
, Canada
, located in Strathy Township
of the municipality of Temagami. It represents a major structural feature in the Temagami greenstone belt
, with dark green, massive and pillowed
iron-rich tholeiitic basalts forming its core.
Syncline
In structural geology, a syncline is a fold, with younger layers closer to the center of the structure. A synclinorium is a large syncline with superimposed smaller folds. Synclines are typically a downward fold, termed a synformal syncline In structural geology, a syncline is a fold, with younger...
in Northeastern Ontario
Northeastern Ontario
Northeastern Ontario is the region within the Canadian province of Ontario which lies north and east of Lakes Superior and Huron.Northeastern Ontario consists of the districts of Algoma, Sudbury, Cochrane, Timiskaming, Nipissing and Manitoulin; and the single-tier municipality of Greater...
, Canada
Canada
Canada is a North American country consisting of ten provinces and three territories. Located in the northern part of the continent, it extends from the Atlantic Ocean in the east to the Pacific Ocean in the west, and northward into the Arctic Ocean...
, located in Strathy Township
Strathy Township
Strathy Township is a square-shaped geographic township comprising a portion of the municipality of Temagami in Northeastern Ontario, Canada. It is used for geographic purposes, such as land surveying and natural resource explorations...
of the municipality of Temagami. It represents a major structural feature in the Temagami greenstone belt
Temagami greenstone belt
The Temagami greenstone belt, also known as the Temagami volcanic belt and the Temagami metavolcanic belt, is a small 2.7 billion year old greenstone belt in the Temagami region of Northeastern Ontario, Canada...
, with dark green, massive and pillowed
Pillow lava
Pillow lavas are lavas that contain characteristic pillow-shaped structures that are attributed to the extrusion of the lava under water, or subaqueous extrusion. Pillow lavas in volcanic rock are characterized by thick sequences of discontinuous pillow-shaped masses, commonly up to one metre in...
iron-rich tholeiitic basalts forming its core.