Greenstone Belt Stocks List
Symbol | Grade | Name | % Change | |
---|---|---|---|---|
CAY | A | Canyon Resources Ltd | 2.63 | |
HRN | A | Horizon Gold Ltd | -1.03 | |
ACP | A | Audalia Resources Ltd | 0.00 | |
GOR | A | Gold Road Resources Ltd | 0.53 | |
YRL | A | YANDAL RESOURCES LIMITED | 4.17 | |
AQI | B | Alicanto Minerals Ltd | 9.68 | |
TAR | B | Taruga Gold Ltd | -9.09 | |
SRR | B | Sarama Resources Ltd | 0.00 | |
MKG | B | Mako Gold Limited | 0.00 | |
PSC | C | Prospect Resources Ltd | 0.00 |
Related Industries: Biotechnology Gold Industrial Metals & Minerals Other Industrial Metals & Mining
Date | Stock | Title |
---|---|---|
Nov 21 | SRR | Sarama Announces Equity Placement of Up to A$2M and Issue of Equity for Debt |
- 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.
The name comes from the green hue imparted by the colour of the metamorphic minerals within the mafic rocks: the typical green minerals are chlorite, actinolite, and other green amphiboles.
A greenstone belt is typically several dozens to several thousand kilometres long and although composed of a great variety of individual rock units, is considered a 'stratigraphic grouping' in its own right, at least on continental scales.
Typically, a greenstone belt within the greater volume of otherwise homogeneous granite-gneiss within a craton contains a significantly larger degree of heterogeneity and complications and forms a tectonic marker far more distinct than the much more voluminous and homogeneous granites. Additionally, a greenstone belt contains far more information on tectonic and metamorphic events, deformations and palaeogeologic conditions than the granite and gneiss events, because the vast majority of greenstones are interpreted as altered basalts and other volcanic or sedimentary rocks. As such, understanding the nature and origin of greenstone belts is the most fruitful way of studying Archaean geological history.
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