Deccan trap


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Deccan trap

[′dek·ən ′trap]
(geology)
References in periodicals archive ?
In the present study, Hira black soil represents schists of Dharwarian formation, Bidar black soil represents basalts of Deccan trap formation and Shahabad soil represents the limestones of Bhima formation.
1984) Deccan trap flows in parts of Nanded and Yeotmal districts, Maharashtra, Geological survey of India special publication No.
India's Deccan Traps are famous the world over for an unparalleled abundance of beautiful and diverse zeolites and associated minerals.
More than half of the vertical electrical soundings in the Deccan trap regions are of KH type curves.
Of the roughly 150 known meteorite impact sites on Earth, Lonar Crater is the only one that struck in an area layered with volcanic rock--a massive plateau made of ancient lava flows called the Deccan Traps.
The petrogenesis of the basaltic samples collected from several locations of the Deccan Trap region including the Narmada basin (Mahoney 1988) shows higher concentrations of trace elements such as Zirconium, Strontium, Nickel and Vanadium.
Phase three has a term of 2 1/2 years and the work commitment is to drill one well to a depth of 3,000 meters or to the Deccan trap.
That's significantly more than the amounts found in similar lava deposits like the Deccan Traps in India and the Columbia River flood basalts in Washington and Oregon.
Basu and his co-workers traced the origin of the Deccan Trap rocks by measuring the ratio of two helium isotopes preserved within bubbles in the basalt.
They say that the Deccan trap in India, one of the largest continental lava fields in the world, shows that a million cubic kilometers of magma were expelled over a very short time period in geologic terms--400,000 years.
In fact, only two eruptions were larger than the one in the Pacific Northwest: the basalt flood of the Siberian Traps and the Deccan Traps.
Previous studies have shown that while the eruptions in western India's Deccan Traps began a few million years before the extinction event, volcanic activity surged closer to the time of the asteroid collision.