Flood basalts are the most voluminous of all extrusive igneous rocks, [8] forming enormous deposits of basaltic rock [9][10] found throughout the geologic record. [9][11] They are a highly …

The Columbia River Basalt Group (CRBG) is the youngest, smallest and one of the best-preserved continental flood basalt provinces on Earth, covering over 210,000 km 2 (81,000 sq …

Flood basalt is formed by an eruption or series of eruptions of large volcanic episodes that cover vast stretches of land or ocean floor with flows of mafic igneous rocks (basalt lava flows). A …

Flood Basalts. The great continental flood-basalt eruptions of the geological past are the largest eruptions of lava on Earth, with known volumes of individual lava flows exceeding 2000 cubic …

In igneous rock: Flood basalts. On the continental plates at areas away from active convergence, the magmatism is confined to rift valleys and local hot spots. The volume of magma produced …

2018年9月19日 · The Columbia River Basalt Group (CRBG) is the youngest, smallest, and best-preserved continental flood basalt. It erupted ~210,000 km 3 of lava in the Pacific Northwest, …

Flood Basalts are high volume eruptions that flood vast areas of the Earth, covering broad regions with flat lying lava surfaces. They are said to be the result of mantle convection through hot …

Flood basalts are yet another strange type of "volcano." Some parts of the world are covered by thousands of square kilometers of thick basalt lava flows - individual flows may be more than …

Flood basalts form thick piles of basaltic lava flows of vast areal extent (often exceeding 100,000 km 2) and volume (exceeding 100,000 km 3), usually on continental crust. Individual flows …

2005年2月1日 · Continental flood basalt provinces (CFBPs) are commonly associated with spatially constrained melting anomalies located within the upper mantle (e.g., Ernst and …