Northern Quebec Granite

The parautochthon is a band running parallel to the.

Northern quebec granite. The canadian shield or bouclier canadien french also called the laurentian plateau is a large area of exposed precambrian igneous and high grade metamorphic rocks geologic shield that forms the ancient geologic core of the north american continent the north american craton or laurentia. The inukjuak domain comprises 12 000 km 2 of eo to neoarchean gneisses ultra mafic schists and supracrustal enclaves within the minto block of northern québec. The northeastern superior province of northern quebec is dominated by the minto block covering a surface area of 250 000 km 2 and characterized by a nnw trending structural grain and aeromagnetic anomalies the block is bound to the north east and west by proterozoic sequences of the trans hudson and new quebec orogens and to the south by the largely east west trending archean ashuanipi. The bushveld complex bc located in northern south africa is a paleoproterozoic large igneous province 2 ga in age.

The 1 24 ga strange lake pluton in northern québec labrador provides an extraordinary example of hyper enrichment in the ree zr and nb in a peralkaline a type granite. Lithium bearing pegmatites in northern quebec duncan ramsay derry. The town grew through the 19th century through the arrival of united empire loyalists and the development of the granite industry. Duncan ramsay derry search for other works by this author on.

It is the world s largest layered mafic intrusion and boasts the highest concentration of platinum group elements pge the bushveld complex contains 75 54 and 82 of global platinum palladium and rhodium resources respectively as well as vast reserves of. Characterization of both conductive and non conductive material samples for research purposes. At least four generations of variably deformed archean granite granitoid gneisses are documented. The 1 24 ga strange lake pluton in northern québec labrador provides an extraordinary example of hyper enrichment in the ree zr and nb in a peralkaline a type granite.

The oldest enclosing granodioritic and trondjemitic gneisses are ca. Geologic history stratigraphy tectonics. They occur both. Peralkaline granite northern quebec canada containing rare earth elements including a fluorite vein that crosscuts the sample and zoned zircons.

Glaciation has left the area only a thin layer of soil through which the composition of igneous. Prior to european arrival the area was home to the abenakis. Lawrence formed beginning in the archean more than 2 5 billion years ago geologists subdivide the grenville province into the allochthon along the river itself and the more northern parautochthon. The grenville province which dominates southern quebec particularly the northern shore of the st.

In some cases these structurally transect. Although it is well known that a type granites are enriched in the rare earth elements ree and other high field strength elements hfse the magmatic processes that concentrate these elements are still poorly understood.