The authorSimon Wellings
- Scars, acne and others: circles on the ground
- Into the Third Dimension: using Google Maps to know what’s underground
- Looking from the sky at diamonds
- Great Geology in Google Maps: mapping from above
- Hot spot volcanoes: no plumes required?
- Great Geology in Google Maps: dunes
- Tasting the earth: mantle geochemistry
- Metamorphic petrology under stress: round 2
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Based on a work at all-geo.org.
Category Archives: metamorphism
Ever since the plate tectonic paradigm-shift of the 1960s, geologists have strived to understand ancient rocks in terms of the movements of plates. The geology of north-western Ireland can be explained by what happened when a subduction zone ran out … Continue reading →
“If you wish to make an apple pie from scratch, you must first invent the universe.” Carl Sagan. I have a handsome piece of rock in my hand. How did it come to be, how was it made? A perfectly … Continue reading →
Eclogites are beautiful rocks that form deep within subduction zones. The vast majority of subducted oceanic crust becomes more dense than the surrounding mantle rocks and travels to the strange world of the deep earth. Lucky for us, small volumes … Continue reading →
Almost all of what I write about in this blog concerns only 1% of the earth’s volume. All crust, all sedimentary rocks, the glories of mountain building, all occupy an insignificant portion of the earth. It’s the only bit we … Continue reading →