Deccan basalt

Deccan basalt

[′dek·ən bə′sȯlt]
(geology)
Fine-grained, nonporphyritic, tholeiitic basaltic lava consisting essentially of labradorite, clinopyroxene, and iron ore; found in the Deccan region of southeastern India. Also known as Deccan trap.
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The Deccan Basalt, a secondary exploration objective in this well appears
The well will then be deepened to explore the Deccan Basalt and
will be deepened to explore the fractured Deccan Basalt objective and overlying
explore the fractured Deccan Basalt objective and overlying potential reservoir
objective in the well is the fractured Deccan Basalt and overlying potential
Bhattacharyya T, Pal DK, Deshpande SB (1993) Genesis and transformation of minerals in the formation of red (Alfisols) and black (Inceptisols and Vertisols) soils on Deccan basalt in the Western Ghats, India.
Clay minerals of black soils developed on Deccan basalts (Pedons 3, 7, and 8) were composed primarily of smectite ([is greater than] 50%), with small amounts of kaolin, chlorite, vermiculite, mica, and quartz (Fig.
IndiaSPAN II West was designed to image through the Deccan Basalts offshore west India utilizing a deep-tow methodology for better signal penetration and improved imaging resolution beneath the basalts in the area.
In the peripheral areas of Deccan basalts there are reports of rude block formations in the basal flows, which in turn forming iron rich clay bodies due to weathering.
The REE studies initiated by Alexander and Gibson (1977) for the Deccan basalts of Dhandhuka area, Western India have shown the significant concentrations of Cerium.
Unlike the bulk of the Deccan basalts, these rocks north of the main lava flows did not erupt at the surface, but cooled underground and trapped the helium instead of releasing it into the atmosphere.