Hunt River greenstone belt
Encyclopedia
The Hunt River greenstone belt, also called the Hunt River volcanic belt, is a northeast trending Mesoarchean
greenstone belt
in Newfoundland and Labrador
, Canada
, located along the coast of Labrador
about 25 km (15.5 mi) west of the town of Hopedale
. It is 70 km (43.5 mi) long and consists of metavolcanic
and metasedimentary rocks.
Mesoarchean
The Mesoarchean is a geologic era within the Archean, spanning 3200 Ma to 2800 Ma . The period is defined chronometrically and is not referenced to a specific level in a rock section on Earth. Fossils from Australia show that stromatolites have lived on Earth since the Mesoarchean. The Pongola...
greenstone belt
Greenstone belt
Greenstone belts are zones of variably metamorphosed mafic to ultramafic volcanic sequences with associated sedimentary rocks that occur within Archaean and Proterozoic cratons between granite and gneiss bodies....
in Newfoundland and Labrador
Newfoundland and Labrador
Newfoundland and Labrador is the easternmost province of Canada. Situated in the country's Atlantic region, it incorporates the island of Newfoundland and mainland Labrador with a combined area of . As of April 2011, the province's estimated population is 508,400...
, 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 along the coast of Labrador
Labrador
Labrador is the distinct, northerly region of the Canadian province of Newfoundland and Labrador. It comprises the mainland portion of the province, separated from the island of Newfoundland by the Strait of Belle Isle...
about 25 km (15.5 mi) west of the town of Hopedale
Hopedale, Newfoundland and Labrador
Hopedale is a town located in the North of Labrador, the mainland portion of the Canadian province of Newfoundland and Labrador. Hopedale is the legislative capital of the Inuit Land Claims Area Nunatsiavut, and where the Nunatsiavut Assembly meets...
. It is 70 km (43.5 mi) long and consists of metavolcanic
Metavolcanic rock
In geology, metavolcanic rock is a type of metamorphic rock. Such a rock was first produced by a volcano, either as lava or tephra. Then, the rock was buried underneath subsequent rock and was subjected to high pressures and temperatures, causing the rock to recrystallize...
and metasedimentary rocks.