Sentences with phrase «host rock»
The phrase "host rock" refers to the surrounding rock or material in which minerals or valuable substances are found. It is like a host for these minerals, providing the environment in which they are formed or deposited. Full definition
The type of host rock is important as well.
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However, the world's largest sea cave has formed in the heavily fractured Caversham sandstone (Barth, 2013) changing our understanding of which host rocks can form large sea caves.
A secondary target host rock type is mafic volcanic rock of the Upper Plate rock sequence, similar to Newmont's Twin Creeks Mine.
YCGP exhibits a number of similarities to the Timmins gold camp, including timing of gold mineralization and the deposition of temporally associated sedimentary host rocks.
Multiyear incubation experiments with samples of host rock confirmed the microbial activities measured in situ.
Calculated estimates of the temperatures at which this poorly crystallized graphite formed were significantly lower than the highest temperatures experienced by the surrounding host rocks.
This will be our first year hosting a Rock n» Roll Passover Seder at our house.
A group of 9 bloggers hosting a rocking link party where we showcase YOU each week!
Outdoing even host Rock, comedian Louis C K slayed the crowd during his presentation of the Best Documentary Short award, admitting to loving this category the most because the winner was undoubtedly broke: «This Oscar is going home in a Honda Civic.
Remel said: «I'm looking forward to hosting Rocking Ur teens girls conference for the third year in a row.
Most of the large sea caves on the Western U.S. coast and Hawaii are in basalt, [8] a strong host rock compared to sedimentary rock.
Snorkelling is possible all along this part of the coast, which hosts rocks and reefs a short distance from the beach.
King River has systematically pegged all of the gold - prospective outcrops of the Whitewater Volcanics in the region, which is the host rock of the Mt Remarkable gold discovery.
«But some zircon crystals may not be related to their host rocks at all.
«This indicates that it is both the magma properties and the host rock properties that controls how the dyke ascends, which is a brand new finding and challenges our existing thinking on magma flow through rocks.
Microorganisms living in basaltic sea floor buried beneath sediments derive energy from inorganic components from the host rocks that interact with infiltrating seawater, which brings dissolved oxygen and other trace nutrients with it.
Gravest doubts emerged in 2002, when a team led by Oxford's Professor Martin Brasier (co-author of this current study) revealed that the host rock was not part of a simple sedimentary unit but rather came from a complex, high - temperature hydrothermal vein, with evidence for multiple episodes of subsurface fluid flow over a long time.
Their results, published online May 15 by Nature Geoscience, indicate that the carbon contained in such ancient rocks should not be assumed to be as old as the rocks, unless it can be shown to have had the same metamorphic history as the host rock.
Jupiter's moon Europa or Saturn's moon Enceladus may host rocks and water.
In order to form a sea cave, the host rock must first contain a weak zone.
Littoral caves may be found in a wide variety of host rocks, ranging from sedimentary to metamorphic to igneous, but caves in the latter tend to be larger due to the greater strength of the host rock.