wall rock वाक्य
उदाहरण वाक्य
मोबाइल
- Felsic dikes, up to 5 m thick, are present in drill core but comprise < 5 percent of the footwall and hanging-wall rocks.
- This occurs when a hot spherical fluid mass of magma moves by softening a thin region of wall rock nearest to the body.
- The most common signatures of stoping are sharp discordant contacts between plutons and wall rocks and a lack of ductile deformation of the wall rocks.
- Jackson chose to concentrate on his pre-fame days scrounging out a living performing everywhere from hole-in-the-wall rock venues to the Playboy Club in Portsmouth, England.
- The most common signatures of stoping are sharp discordant contacts between plutons and wall rocks and a lack of ductile deformation of the wall rocks.
- Up until now, he's filled the soundtrack with wall-to-wall rock and pop music, and he uses the kind of frenetic editing techniques familiar from music videos.
- Note also that assimilation of wall rocks takes considerable thermal energy, so this process goes hand in hand with the natural cooling of the magma body.
- At the margins of the volcanic pipe the lamproite is mixed with a volcanic breccia containing shattered wall rock fragments mixed and milled by the eruption.
- While contentious, these jasperoids are thought to form by extreme alteration of wall rocks within a shear zone, and may occur in sediments, andesites, trachytes and basalts.
- This is evident in McDoogle pluton in the Sierra Nevada; this pluton is compositionally layered parallel to its contacts and contains numerous thin concordant panels of wall rock.
- The gold mineralization at Goldboro occurs in association with and within a quartz vein swarm located in the hinges of regional anticlines, principally in black shale-argillite wall rocks.
- Contamination can be caused by " assimilation " of wall rocks, mixing of two or more magmas or even by replenishment of the magma chamber with fresh, hot magma.
- The most mineralogically interesting are the associated agpaitic ( alkali rich, low aluminium and silicon ) pegmatites, the intrusive breccias, and the hornfels derived from the metasomatised sedimentary wall rocks.
- "' Wall Rock "'( ) is a rock 4 nautical miles ( 7 km ) north of Robbins Nunatak in the Schmidt Hills portion of the Neptune Range, Pensacola Mountains.
- The foremost problem is that in large ultramafic intrusions, assimilation of wall rocks tends to alter the chemistry of the melt as time progresses, so measuring groundmass compositions may fall short.
- Lithic morphology in ash is generally controlled by the mechanical properties of the wall rock broken up by spalling or explosive expansion of gases in the magma as it reaches the surface.
- Granitic rocks that come from the crust commonly contain xenoliths of metamorphic or sedimentary rocks when pieces of the wall rock are included into the magma during ascent or site of placement.
- Mic Buvac said " " give these guys a good listen because they ve got quite a sensibility and feeling to their sounds, but they are very very gutty, balls-to-the-wall rock . ""
- The size of the aureole depends on the heat of the intrusion, its size, and the temperature difference with the wall rocks . ultramafic intrusions can have significantly thick and well-developed contact metamorphism.
- Historically, hand-mining of gold ores permitted the miners to pick out the lode quartz or reef quartz, allowing the highest-grade portions of the lodes to be worked, without dilution from the unmineralised wall rocks.
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