Be warned, this is sort of an elaborate test page. My last two posts weren’t appearing in my rss feed due to an obscure technical problem (hint use http://validator.w3.org/feed/? if you get odd rss problems). I know a lot of you find out about my posts this way, so I wanted to give you a non-Twitter way… Continue reading Past and future: eclogite and the moon
Charnwood forest – misty traces of ancient landscapes
Precambrian rocks are fairly uncommon in England so I jumped at the chance to visit some with the friendly folk of Reading Geological Society. They were found in Charnwood Forest. The pattern of rocks in England and Wales is broadly one of younging to the south east. A journey from London to Anglesey takes you… Continue reading Charnwood forest – misty traces of ancient landscapes
Eclogites: back to the surface
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 make it back to the surface. How does this happen? As so often in the… Continue reading Eclogites: back to the surface
Sherlock Holmes and the case of the detrital zircon
The October copy of the journal Geology contains a paper that made me think of Sherlock Holmes. That doesn’t happen very often. One of the fictional detective’s many skills was the ability to get important insights from the sediment found on shoes. The paper “Detrital zircon record and tectonic setting” looks at ancient sediments and proposes… Continue reading Sherlock Holmes and the case of the detrital zircon