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Its striking colours and water-holding properties can make it attractive for landscaping and drainage works. [8] Scoria can be used for high-temperature insulation, as in gas barbecue grills. [9] The ancient Romans used cinders as construction aggregates, one of the earliest industrial uses of volcanic rocks. [7]
Mount Price is a small stratovolcano in the Garibaldi Ranges of the Pacific Ranges in southwestern British Columbia, Canada. It has an elevation of 2,049 metres (6,722 feet) and rises above the surrounding landscape on the western side of Garibaldi Lake in New Westminster Land District .
Near the northeastern shore of Price Island, a small eroded monogenetic cinder cone composed of basalt is covered by mature forest. [4] [6] It has an elevation of 40 m (130 ft) and is the source of a basaltic lava flow. [1] [4] This lava flow extends down to the northeastern shoreline of Price Island where it covers beach gravel. [4]
Two small mounds of quenched pillow lava informally called Knob 1 and Knob 2 formed subglacially about 4 kilometres (2.5 miles) south of Wetalth Ridge. [ 38 ] [ 135 ] The third volcano, Source Hill , is a cinder cone that was created about 3 kilometres (1.9 miles) to the northwest during a massive eruption of lava when only the central part of ...
The terms lava stone and lava rock are more used by marketers than geologists, who would likely say "volcanic rock" (because lava is a molten liquid and rock is solid). "Lava stone" may describe anything from a friable silicic pumice to solid mafic flow basalt, and is sometimes used to describe rocks that were never lava, but look as if they ...
Vast areas of trap rock in the form of thick lava flows and other volcanic rocks comprise the Deccan Traps of India and Siberian Traps of Russia. [6] Other prominent basalt ridges, mountains, buttes, canyons, and other landscape features include: In North America: The ridges and cliffs of the Columbia River Gorge in Oregon and Washington.