Royal Holloway MSci students investigating ignimbrite and a rapidly uplifting granite, California. RHUL Earth Sciences

Royal Holloway MSci students at Death Valley RHUL Earth Sciences

Blueschists from Jenner and chrysotile asbestos from Ring Mountain, California, MSci year 4 field course Lots of new boulders on the beach at Jenner because of storm erosion. RHUL Earth Sciences

Clear Lake volcanic field, northern California. 1 Ma pyroclastics and obsidian unconformable on Cretaceous Great Valley sediments, maar deposits, and a 8.5ka scoria cone with amphibolite facies crustal xenoliths not derived from the Franciscan. RHUL Earth Sciences

For a Rubidium afficionado?RHUL Earth Sciences

Recumbent folds in a layered late Mesozoic marble-dolomite sequence, Amorgos, Greece. RHUL Earth Sciences

First turret of Sr at RHUL using Atona amplifiers and software! Nice data, though the low baseline noise means that you can see anomalous raised baselines (?from Ba in silicates?) more easily! Isotopx RHUL Earth Sciences

Large collection (around 100+) UK 1" and 1:50,000 flat (well, rolled) geological maps available to good owner! Maybe schools? Easiest to get them to you if you're in the southeast! RHUL Earth Sciences

Chaîne des Puys RHUL Earth Sciences

East Coast Greenland today. RHUL Earth Sciences

Newberry Caldera obsidian, Oregon. RHUL Earth Sciences

Ephemeral playa lake!

Along the Cascades: Shasta from Lassen Peak, Shasta from Crater Lake Mt Theilson from Crater Lake RHUL Earth Sciences

And more Cascade volcanoes: Broken Top, South Sister, Middle Sister, North Sister 3-fingered Jack & Mt Jefferson Mt Hood Such a clear few days! RHUL Earth Sciences

Gore Mountain giant garnets in the Adirondacks , New York state. Always rimmed with big amphiboles. RHUL Earth Sciences

Wenlock corals ?Favosites at the Wren's Nest, Dudley

At the launch event for the new edition of Geology of Scotland, at Dynamic Earth, Edinburgh RHUL Earth Sciences

I'm in the northern Lesser Antilles, currently on the amazing volcano of Saba, with views south to Statia and St Kitts RHUL Earth Sciences

Pyroclastic deposits from the Quill volcano, Statia RHUL Earth Sciences