At the same time, the sometimes loosely governed rush to liberate this fuel from
rock deposits through hydraulic fracturing, or «fracking,» has helped invigorate opponents of drilling.
Not exact matches
With ALB and Sichuan Tianqui (002466: SHE) controlling the Greenbushes hard
rock deposit in Australia in a 49 % -51 % split (
through ALB's acquisition of Rockwood), the product from the mine that formerly went to converters in China, now stays within the ALB / Tianqui supply chain.
You've finally made it
through «The Witching Hour,»
rocked your baby to sleep for a half an hour, (which felt more like three hours) and at last
deposited him in his crib, cranking the white noise machine up a notch before you tiptoe out the door.
The researchers searched
through nearly 1,200 published papers for data on mud
rock in river
deposits, and collected new field data at 125 ancient river outcrops.
LIFE will test an idea called transpermia, in which organisms «could be ejected off one planet in impacts, travel
through space inside
rocks, then be
deposited on another world», says Bruce Betts, LIFE's lead scientist.
Those genes might show that peak ring microbes — descendants of those that lived after the impact — derive their energy not from carbon and oxygen, like most microbes, but from iron or sulfur
deposited by hot fluids percolating
through the fractured
rock.
These could be places where water flowed
through cracks in the
rock, leaving mineral
deposits behind, although the rover has not yet measured their composition.
Calcite precipitates out of pressurized fluids that travel
through rock near faults during some earthquakes and gets
deposited in layers, like rings of a tree.
Another complication is that the concentration of methane and other gases in natural
deposits could be affected not just by chemistry but also by the speed at which they seep
through the surrounding
rocks.
The other hypothesis features neutral or alkaline water dissolving silica and
depositing them on the
rocks through the resulting solution.
Since then something liquid, probably water, seeped
through pores in the
rock and
deposited globules of carbonates and other minerals.
Moraine Creek is certainly an apt name; it has carved
through an impressive cake of glacial
deposits containing
rocks of all origins and colors, ground together, mixed, and mashed by creeping glaciers.
A fracture caused by the drilling process would have to extend
through the several thousand feet of
rock that separate deep shale gas
deposits from freshwater aquifers.