Or is it? Writing in the journal Nature Geoscience, a team led by Federico Galetto (Cornell University) believes they have been able to spot long-term tell-tale signs of pending eruptions in at least one set of basaltic calderas, such as those commonly found in Iceland.
This story is from the December 2022 edition of Rock&Gem Magazine.
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This story is from the December 2022 edition of Rock&Gem Magazine.
Subscribe to Magzter GOLD to access thousands of curated premium stories, and 8,000+ magazines and newspapers.
Already a subscriber? Sign in
Volcanoes and Emeralds
I've had the privilege to give lectures worldwide at shows, club meetings and retreats. I've also done videos and DVDs including Russian Gem Treasures, shot in Russia and another associated with the Smithsonian about American gem mines.
THE MAGIC OF MARBLE
Sculptors and architects have an abundance of natural stone materials to choose from alabaster, travertine, granite, limestone and soapstone to name a few. But one medium has always stood out - marble. For the last 2,500 years, marble has been chosen for many of the greatest works of sculpture and architecture, from the Parthenon of Classical Greece to Michelangelo's Pietà and Washington D.C.'s Lincoln Memorial.
COLOR-THERAPY Gemstones
Designing Jewelry Based on the Healing Properties of Colors
The Silver of POTOSI
Triumph, Tragedy & El Tío
CURVED RIDGES SHAPED TIPS
Complex carving with curved ridges and shaped tips can be daunting.
NIPOMO MARCASITE
Many of the digging locations for this marcasite are on private property. It was allowed at one point to collect with the owner's permission, but a few rockhounds ruined it for the rest by trespassing, trampling newly-grown crops, and opening and closing gates not allowing cattle to get to their water sources. As a result, this material hasn’t been dug for a few decades.”
PAIL Treasures!
From Gems to Fossils, Dig Them at Home
RV Rockhounding
ON THE ROAD WITH THAT CAMPING COUPLE
The Pleasures and Perils of Competitive Exhibiting
Competitive exhibiting offers lots of opportunities to earn awards through venues like club shows, county fairs, trade shows and Federation shows. Since 1995, I've been involved in competitive exhibiting from three perspectives: administering, judging and exhibiting. Here are my suggestions for best practices.
ULTIMATE Gift Guide FOR ROCKHOUNDS
What to Buy for the Rock Lover in Your Life
Innovation - Methanol Goes Green
An Icelandic company’s head start producing the sustainable fuel is poised to pay off
Risking it in Reykjavik
Wild beauty and a sense of danger are attracting groups to explore Iceland's sustainable MICE offerings
4 Hours in...Reykjavik
Shop on Rainbow Road, visit a famous church, dine locally, 'fly' over Iceland then bathe in a volcanic lagoon
Sailing Toward NEW HORIZONS
After a once-in-a-lifetime reboot, luxury cruising has returned. VERANDA contributor TRACEY MINKIN explores the rare coin of access luring voyagers back to the deep.
ICELANDIC HORSE
This hardy gaited breed offers many fun ways for youth to get involved.
Ancient pain cures that really work!
No need to rely on meds (or deal with their side effects, such as GI upset, headaches or drowsiness) for relief from aches. These old-world fixes leave you feeling your best from head to toe
Life, Death, Fear, and Purpose
THOMAS BRUHN is a physicist at the Institute for Advanced Sustainability Studies, Potsdam, Germany. He is a researcher and a bridge builder, helping experts and change-makers from all sectors of society to come together to explore the topic of sustainability, listen to each other, and develop solutions.
Air-Scrubbing Machines Gain Momentum, But Long Way to Go
On a field ringed by rolling green hills in Iceland, fans attached to metal structures that look like an industrial-sized Lego project are spinning. Their mission is to scrub the atmosphere by sucking carbon dioxide from the air and storing it safely underground.
Experiencing Island in Black&White
Scott Probst, Born in Sydney, Australia.
Arctic Adventure
Cruise amid the remote beauty of Greenland.