Latest Petrology Stories
TSX-V: RES VANCOUVER, Jan. 7 /PRNewswire-FirstCall/ - Rare Element Resources Ltd (TSX-V: RES) is pleased to announce the acquisition of the Nuiklavik rare-earth-element (REE) prospect from Altius Resources Inc. ("Altius").
NEW YORK, Dec. 15 /PRNewswire/ -- Agency Magma today announced it has launched Tuckerspointhotelandspa.com, an understated site created for Tucker's Point Hotel and Spa in Bermuda.
Positive first quarter at Bokoni Growth projects on track to deliver 270,000 PGM (4E) ounces by 2014 VANCOUVER, Nov.
Last month, officials with the Netherlandsâ€™ national museum reported that it had been holding a piece of petrified wood, which had been mistaken for a piece of rubble from the surface of the moon.
TORONTO, July 10 /PRNewswire-FirstCall/ - Wallbridge Mining Company Limited (TSX: WM, FWB: WC7) announced today that a large Induced Polarization chargeability anomaly has been defined on its Rogers Creek porphyry copper-gold-molybdenum property in SW British Columbia.
A top Australian expert warned that Indonesia's devastating 'mud volcano' could keep spewing for the next 30 years, filling the equivalent of 50 Olympic-size swimming pools every day.
Billions of years of history have been uncovered with a new technique that is helping scientists paint a picture of how Earthâ€™s continents were arranged.
Chaitén is a volcanic caldera that is located in southern Chile that reaches an elevation of 3,681 feet. It is thought that this volcano once held a rhyolite obsidian lava dome that reached 3,156 in height, but this was destroyed after its most recent eruption in 2008. In the past, this volcano has released grey obsidian, which was used by pre-Columbian cultures to make many objects, some of which have been found 250 miles away from the volcano. Chaitén experienced the beginning of a new...
Biotite is a common phyllosilicate mineral that contains potassium, magnesium, iron and aluminium. It is sometimes called "iron mica" and is found in granitic rocks, gneisses, and schists. Like other mica minerals, biotite has a highly perfect basal cleavage, its flexible sheets easily flaking off. It has a hardness of 2.5 - 3, a specific gravity of 2.7 - 3.1, is colored greenish to brown or black, and can be transparent to opaque. Biotite is occasionally found in large sheets, especially in...
Chert is a fine-grained silica-rich cryptocrystalline sedimentary rock that may contain small fossils. It varies greatly in color from white to black, but most often manifests as gray, brown, grayish brown and light green to rusty red; its color is an expression of trace elements present in the rock, and both red and green are most often related to traces of iron (in its oxidized and reduced forms respectively). It outcrops as nodules in limestone, chalk, and dolostone formations as a...
Chromite, iron magnesium chromium oxide: (Fe,Mg)Cr2O4, is an oxide mineral belonging to the spinel group. Magnesium is always present in variable amounts, also aluminium and iron substitute for chromium. Chromite is found in peridotite and other layered ultramafic intrusive rocks and also found in metamorphic rocks such as serpentinites. Ore deposites of chromite form as early magmatic differentiates. It is commonly associated with olivine, magnetite, serpentine, and corundum. Chromite is...
In geology, a conglomerate is a rock consisting of other stones that have been cemented together. Conglomerates are sedimentary rocks consisting of subangular clasts and are thus differentiated from breccias, which consist of angular clasts. Both conglomerates and breccias are characterized by clasts larger than sand (>2 mm). There are two varieties of conglomerate, defined by texture: paraconglomerates and orthoconglomerates. Paraconglomerates are one of two varieties of conglomerate...
- A serpent whose bite was fabled to produce intense thirst.