basaltic

How To Use basaltic In A Sentence

• Another item of interest is that the magmas which feed the Hawaiian arc are pretty much exclusively basaltic, as would be expected from their deep-mantle origin, whereas the yellowstone magmas are of the granite/rhyolite/andesite (aka "crustal") varieties - which would appear anomalous - but at any rate, I wonder do they contain He and Ar in enriched amounts? report abuse PhysOrg.com - latest science and technology news stories
• Calcite, along with epidote, fills small vesicles in the basaltic dike rock.
• The deposits which at present constitute the principal source of domestic borax are not the playa deposits just described, but are masses of colemanite in Tertiary clays and limestones with interbedded basaltic flows. The Economic Aspect of Geology
• He argued that all other granites represent hybrid magma formed by reaction of basaltic melt with crustal metamorphic rocks.
• The intercalated sedimentary beds were deposited on the tops of basaltic lava flows during periods of volcanic inactivity.
• It is a common product of alteration in igneous rocks, and frequently occurs as well-developed crystals in association with zeolites lining the amygdaloidal cavities of basaltic and other rocks. Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary"
• The crescent-shaped floor of the caldera teems with a network of smaller volcanic mouths, cones, domes, lava channels, dikes, lavas from light felsic flows to viscid red lavas and black obsidian blocks, ochre plains of sandy alluvial deposits and red and black volcanic ejecta, scoria, lapilli and pumice, from a long series of basaltic effusions. Teide National Park, Spain
• In this he found a group of green lights burning upon a kind of basaltic altar, and a bell-rope from a belfry overhead hanging down into the centre of the place. The Country of the Blind, and Other Stories
• This regular disposition of lithoid basaltic lava and feldsparry vitreous lava is analogous to the phenomena of all trappean mountains; it reminds us of those phonolites lying in very ancient basalts, those close mixtures of augite and feldspar which cover the hills of wacke or porous amygdaloids: but why are the porphyritic or feldsparry lavas of the Peak found only on the summit of the volcano? Travels to the Equinoctial Regions of America
• The barranca is 2000 feet deep and is cut in layers of resistant basaltic lava flows and softer explosive fragmental material. The geology and geography of Lake Chapala and western Mexico