wall rock


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wall rock

n.
The rock that forms the walls of a vein or lode.

wall rock

n
(Geological Science) rock that is immediately adjacent to a mineral vein, fault, or igneous intrusion

wall′ rock`


n.
the rock forming the walls of a mineral vein.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.wall rock - a rock immediately adjacent to a vein or faultwall rock - a rock immediately adjacent to a vein or fault
rock, stone - a lump or mass of hard consolidated mineral matter; "he threw a rock at me"
References in periodicals archive ?
Four 1.0-meter samples incorporating both vein and wall rock dilution assayed from 7.3 g/t to 73.8 g/t Au.
Hong Kong Mining has appointed an accounting firm to support financing, and a consulting firm to evaluate the dolomite and wall rock market in China.
El Buitre mine contains approximately 55 m of tunnels in mineralized wall rock containing veins and breccias, with mineralization dominated by goethite mixed with light brown calcium carbonates and erratic calcite veinlets.
Therefore, the stability of wall rock and complex treatment structures during the excavation of extremely large karst tunnels is studied in depth in this paper through numerical simulation and field testing, taking the superlarge karst cave in the left line of Naqiu Tunnel as the engineering background.
Sr and W are highly enriched in both the ore and wall rock. Previous studies have suggested that Sr is typically enrich in hydrothermal fluids, especially in low-to-medium-temperature fluids, whereas W is considered to indicate magmatic hydrothermal activity [7, 68].
From then on, it was a hit-strewn sprint to the finish and they weren't wasting time pretending to go off for an encore, it was straight through, balls to the wall rock 'n' roll.
"Having both lived in Austin, I have known John for a long time and I'm thrilled that we can provide him with a forum from which he can promote his new venture and help shine a spotlight back on balls to the wall rock and roll!" says Brewer.
Whether shear joint or tensile joint, whether homogeneous wall rock or heterogeneous wall rock, and whether fine-grained wall rock or coarse-grained wall rock, all can form undulating surface shape.
Salamanca: Masueco de la Ribera, Arroyo de los Vasos, Cola de Caballo, Uces riverbanks, 29TQF0267, 495 m, gneiss wall rock crevices, 22.04.2014, Amich & Ramirez-Rodriguez SALA 151177, Aldeadavila de la Ribera, Rupurupay, banks of the River Duero, 29TPF9868, 380 m, gneiss wall rock crevices, 22.04.2014, Amich & Ramirez-Rodriguez SALA 151174.
The formation of antitaxial calcite veins in sandstone and their kinematic evolution have received less attention, partly because of their complex growth with respect to wall rock. The modes of deformation in which these antitaxial veins nucleate and deform are still not well understood.
Trench CCPCH00003 has returned a best interval of 14.00m @ 11.38g/t Au and 18.06 g/t Ag (Figure 2) from within a quartz vein and the associated wall rock alteration zone of the volcanic host rock.
FOCUSED: Eight-year-old Emily Verry shows her total concentration as she ascends the wall ROCK STARS: The climbers representing the North West - including nine from Merseyside - are pictured with their awards after a second-placed finish at a competition in Edinburgh