olelog

Today will be the most strenuous of my week: from 8 a.m. til mid-afternoon I'll be seeing talks on the Terminal Dryas event, purportedly a cosmic impact about 13,000 years ago that caused widespread destruction in North America and sent the world into a thousand-year glacial cold snap. Researchers h ...

Looks like I'll be seeing a lot of talks about earthquakes today, mostly about the latest in early-warning systems. But I'll also drop in on a sessoin on earthquake statistics, for the Nonlinear Geophysics group. Those people intimidate me, being the farthest thing from geologists and the nearest to ...

OK, this is the first day of the big American Geophysical Union meeting in San Francisco. I'll be here all day, all week. Today I'll spend part of the morning at one session on earthquake prediction, another on the evolution of the Earth's mantle, a third on the status of oxygen in the early Earth, ...

Earth science is a big field, and I don't always catch every significant event in it. So I'm late with the news that Jack Eddy died earlier this year. His was a very unusual career that involved crossing scientific boundaries and gaining popular fame. The first stir he caused was in 1970, when as a ...

The Copenhagen climate talks featured a strong protest by the lowest nations of the world—mostly island countries that stand to suffer degradation, even extinction, by rising seas in the coming century. One of them, the nation of Tuvalu, offered a stricter version of the Kyoto Protocol called the Co ...

Isen omkring Nordpolen forsvinder hurtigere, end selv de mest skeptiske...

Det svenske Vattenfall overtog tre danske kulfyrede kraftværker –...

I Sverige har en mineralsamler fundet de første svenske diamanter...

Dig og klimaet Informationscenter for Miljø og Sundhed har i dag (1....

Jordskred, som det der onsdag aften rev 400 meter af motorvej E6 og 300 meter...

कोपनहैगन सम्मलेन के सफल होने कि संभावना कम। क्या है क्योटो संधि? द्वारा डा. नितीश प्रियदर्शी जलवायु परिवर्तन पर कोपनहेगन मे हो रहे शिखर सम्मेलन मैं कुछ खास निकल कर आने की संभवाना कम हो चुकी है। कोपनहेगन मैं जलवायु परिवर्तन पर हो रहे शिखर सम्मेलन कई मायनो में अहम् है। इस सम्मेलन में २०१२ में खत्म हो ...

Today will be the most strenuous of my week: from 8 a.m. til mid-afternoon I'll be seeing talks on the Terminal Dryas event, purportedly a cosmic impact about 13,000 years ago that caused widespread destruction in North America and sent the world into a thousand-year glacial cold snap. Researchers h ...

The study of progressive metamorphism began in the early 1900’s in the Scottish Highlands. George Barrow was mapping the geology of the area and he realized that there were index minerals that characterized each zone. If he was in the lower grade metamorphic zones ceratin minerals were no longer pre ...

metamorphic facies are a group of minerals that form at certain pressure and temperature conditions. For example if the minerals in the rock formed at pressures greater than 1 GPa and 500 degrees C, then this mineral assemblage will fall into the eclogite facies. mineral assemblages that undergo hig ...

A s promised quite a while ago, here is a follow-up to my post about Eastend and the Cypress Hills. We travelled to that area in late September, 2008, to collect a sample of the Cretaceous-Paleogene boundary for the Manitoba Museum. The K-Pg (formerly called the K-T) is the stratigraphic horizon tha ...