Recent Volcanic Activity in Northern Arizona

Lava Flow next to the Colorado River, Grand Canyon. https://answersingenesis.org/blogs/georgia-purdom/2014/06/07/the-grand-canyon-and-my-comfort-zone/

1999 – 2001 Eruption Sequence in the Gakkel Ridge

Gakkel Ridge across the Arctic Ocean basin https://www.researchgate.net/figure/284359093_fig1_Fig-1-The-study-area-is-the-Gakkel-ridge-Dotted-line-divides-the-Gakkel-Ridge-into

The Socorro Magma Body – The Next Big Thing?

Desert sky over Socorro County, NM. http://www.socorronm.org/things-to-do-in-socorro-new-mexico/

The Rio Grande Rift in New Mexico is a failed rift in North America, a rift that did not complete the separation of North America and the growth of a new sea between the two sides.

Basaltic…? Felsic…? Porphyritic…? Confusion!

Felsite quarry at Mount Ararat (© en.ararat-stone.com)

That’s how I felt at times reading interesting things about volcanoes but had to skip those -ic words. So, I am trying to give you a simple overview on rock types produced by volcanoes… I can already hear the experts groan: omg, “petrology” and “simple” are the two most antagonistic terms in the world! 😉 Nevertheless, I know all too well our typical skip-and-jump motion when it comes to different lavas, just let’s try and achieve a broad understanding about what volcanoes bring up from the depth.

The Tolbachik Hot Corner

Plosky Tolbachik eruption in 2012 http://www.digitaljournal.com/article/339347