The authorSimon Wellings
Search this blog
- On Deep time and dead things in the wall:Traces of glacial ice and water:
- Metageologist: Thanks Daff, You’ve slightly anticipated where I’m going next. Got any good pics I... (20 days 10 hours ago)
- Daf: Lovely stuff Si – and many of these features can be recognized in what is now the marine... (20 days 15 hours ago)
- Metageologist: Andrew Zolnai has a great post with some actual data. Taking records from captains logs over... (25 days 11 hours ago)
- alex: It is truly a nice and helpful piece of info. I am happy that you shared this helpful info with us.... (39 days 17 hours ago)
- yeastrolsource.com: Very great post. I simply stumbled upon your blog and wished to say that I’ve really... (48 days 9 hours ago)
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Based on a work at all-geo.org.
Category Archives: impacts
We tend to think of radioactivity as an artificial thing; some argue that the first nuclear explosions in 1945 should mark the start of a new human-dominated geological epoch called the Anthropocene. These man-made explosions have left distinctive radioactive traces … Continue reading
Between Mars and Jupiter, 470 million years ago, there was a massive collision between two 100km-sized chunks of rock – this solar system’s biggest bang of the last billion years. It created a massive cloud of smaller fragments. Some of … Continue reading
Originally published on the Scientific American guest blog. Geoscientists can’t say if diamonds are forever, but they can say that some are already billions of years old. They form in a place we’ll never reach: the deep earth, hundreds of … Continue reading