Geology and Minerals
Kīlauea Iki ("Little Kilauea") is a volcanic crater next to the main summit caldera of Kīlauea on the island of Hawaiʻi in the Hawaiian Islands. Shaped like a pit, the crater existed prior to its most recent eruption, which occurred from 14 November to 19 December 1959. This eruption was notable for several unique phenomena, including the formation of a large lava lake, lava rapids, waves, a lava whirlpool, and a lava fountain whose height set a record in Hawaii. Observers also recorded a two-way circulation of lava between the magma chamber and the surface. Today, Kīlauea Iki is a popular hiking destination within Hawaii Volcanoes National Park.
Hadean zircon.
Geology of South Africa.
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