Hexagonal basalt columns

Asked by maham237 @ 12/01/2021 in Geography viewed by 819 People

The photograph shows hexagonal basalt columns on a mountain that formed from a volcanic eruption in Iceland. Which of the following is mostly likely true of the lava that formed these columns? A. It flowed very quickly. B. It was very thick. C. It solidified underground. D. It cooled very slowly.

Answered by maham237 @ 12/01/2021

Answer:

Option: D. It cooled very slowly.

Explanation:

Iceland is known as the Land of Fire. The country is present in the plate boundary of the North American and Eurasian tectonic plates. Being on the top of the Ring of Fire, it has active volcanoes. Hexagonal basalt columns formed from a volcanic eruption. Basalt columns are the result of a cooling process that changes the appearance of the lava. Basalt is a volcanic rock rich in iron and magnesium created from the heated magma that emerges as lava during an eruption.

The photograph given below is from Icelandic national park Jokulsargljufur.

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