rocks

Imaggeo on Mondays: River in a charoite schist

Olivia Trani May 14, 2018

River in a Charoite Schist. Credit: Bernardo Cesare (distributed via imaggeo.egu.eu)

Polarized light photomicrograph of a thin section of a charoite-bearing schist. Charoite is a rare silicate found only at one location in Yakutia, Russia. For its beautiful and uncommon purple color it is used as a semi-precious stone in jewelry. Under the microscope charoite-bearing rocks give an overall feeling of movement, with charoite forming fibrous mats that swirl and fold as a result of de ...[Read More]

Mars Rocks – introducing a citizen science project

Jessica Wardlaw November 25, 2015

Coverage of Martian imagery being used by the iMars project: found at www.i-mars.eu

GeoLog followers will remember our previous report on Citizen Geoscience: the exciting possibilities it presents for the acquisition of data, whilst cautioning against the exploitation of volunteered labour. This blog presents a Citizen Science platform that goes beyond data collection to analysis, specifically for geological changes in remote sensing imagery of Mars. Jessica Wardlaw, a Postdoctor ...[Read More]

Exhibits at EGU 2014 – The Face of the Earth

Sara Mynott April 11, 2014

This year, the conference will have a theme: The Face of the Earth. Much like a human face, our planet exhibits a huge diversity of shapes and forms, and the 2014 theme celebrates this diversity in geoscience processes – from the Earth’s core to interplanetary space. In line with this year’s theme, you’ll find exhibits on each of the Earth’s faces – Rocks of the Earth, Waters of the Earth, Life of ...[Read More]

For the love of rocks

Sara Mynott February 14, 2014

We often have a way of seeing patterns in otherwise random features, and rock outcrops are no exception. Do you see the heart on its side? To the untrained eye an outcrop like this is simply a heart-shaped feature in an otherwise grey rock. But to the geologist, the layers, swirls, shapes and colours tell a story. The ribbons in the granite show that the rock has been subjected to sheer forces and ...[Read More]