The authorSimon Wellings
- North American Arctic – icy beauty
- Beyond plate tectonics
- Sediment and sea: from the heights to the depths
- 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?
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- On Cratons – old and strong:
- Cat: Like a previous poster I also stumbled across this whilst looking for a Cratons explanation. However I... (40 minutes 52 seconds ago)
- Hollis: interesting, great story! (the Earth is wonderful that way) I’m also enjoying your geology of... (33 days 2 hours ago)
- Metageologist: Hi, I couldn’t agree more! This is the topic of my next post – thanks for the... (86 days 6 hours ago)
- m: Hi! There is quite convincing (at least to me) model by Trond Torsvik and his group that traces plume... (86 days 6 hours ago)
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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 →