News tagged with rock formations

Debut of chromium signatures clocks great oxidation event

Banded ironstone core samples from the Pilbara have aided in dating the first appearance of atmospheric oxygen at 2.48 billion years ago.

Space & Earth / Earth Sciences

created Nov 25, 2011 | popularity 5 / 5 (3) | comments 4

English tremors blamed on shale 'fracking'

(AP) -- The only company in Britain using hydraulic fracturing to release natural gas from shale rock said Wednesday that the controversial technique probably did trigger earth tremors in April and May.

Space & Earth / Environment

created Nov 02, 2011 | popularity 5 / 5 (1) | comments 1

Japanese scientists say giant plumes will prevent new Pangaea

(PhysOrg.com) -- For much of Earth's history, the continents have shifted around, sometimes joining with others, sometimes tearing apart to form new continents. One such shift resulted in what Earth scientists ...

Space & Earth / Earth Sciences

created Sep 20, 2011 | popularity 4.2 / 5 (6) | comments 4 | with audio podcast report

Earth from space: Sacred stones of the outback

(PhysOrg.com) -- This Landsat image takes us to the Amadeus Basin in the heart of the Australian outback.

Space & Earth / Earth Sciences

created Sep 09, 2011 | popularity 5 / 5 (1) | comments 0

Australian mining tycoon blasts coal seam gas

Australian mining tycoon Clive Palmer on Saturday hit out at the country's growing coal seam gas industry, saying there were concerns it could lead to environmental contamination.

Space & Earth / Environment

created Aug 28, 2011 | popularity 2.6 / 5 (5) | comments 11

A math-based model for deep-water oil drilling

Oil well control is one of the most important processes during drilling operations. In deepwater drilling, controlling pressure in the oil well is crucial, as excessive pressures in the drilled hole can result in blowouts, ...

Other Sciences / Mathematics

created Aug 25, 2011 | popularity 4 / 5 (1) | comments 0

Earth's oldest fossils boost hopes for life on Mars

(PhysOrg.com) -- Microfossils found in Australia show that more than 3.4 billion years ago, bacteria thrived on an Earth that had no oxygen, a finding that boosts hopes life has existed on Mars, a study published ...

Space & Earth / Earth Sciences

created Aug 21, 2011 | popularity 4.9 / 5 (17) | comments 11

Human precursors went to sea, team says

Early manlike creatures may have been smarter than we think. Recent archaeological finds from the Mediterranean show that human ancestors traveled the high seas.

Other Sciences / Archaeology & Fossils

created Aug 17, 2011 | popularity 4.6 / 5 (15) | comments 6

Reservoirs of ancient lava shaped Earth

Geological history has periodically featured giant lava eruptions that coat large swaths of land or ocean floor with basaltic lava, which hardens into rock formations called flood basalt. New research from Matthew Jackson ...

Space & Earth / Earth Sciences

created Jul 27, 2011 | popularity 4.7 / 5 (6) | comments 0 | with audio podcast

New force driving Earth's tectonic plates discovered

Bringing fresh insight into long-standing debates about how powerful geological forces shape the planet, from earthquake ruptures to mountain formations, scientists at Scripps Institution of Oceanography at ...

Space & Earth / Earth Sciences

created Jul 06, 2011 | popularity 4.8 / 5 (17) | comments 11 | with audio podcast

Novel geothermal technology packs a one-two punch against climate change

Two University of Minnesota Department of Earth Sciences researchers have developed an innovative approach to tapping heat beneath the Earth's surface. The method is expected to not only produce renewable electricity far ...

Space & Earth / Earth Sciences

created Jun 06, 2011 | popularity 4.3 / 5 (4) | comments 7 | with audio podcast

Opalinus Clay as a potential host rock for nuclear waste repositories

Scientists at Johannes Gutenberg University Mainz (JGU, Germany) have studied natural claystone in the laboratory for more than four years in order to determine how the radioactive elements plutonium and neptunium ...

Chemistry / Materials Science

created Mar 08, 2011 | popularity 1 / 5 (1) | comments 0

Despite overhaul, gas wastewater still a problem

(AP) -- Pennsylvania's natural gas drillers are still flushing vast quantities of contaminated wastewater into rivers that supply drinking water, despite major progress by the industry over the past year ...

Space & Earth / Environment

created Mar 02, 2011 | popularity not rated yet | comments 0

Oldest fossils ever found may not be fossils after all

(PhysOrg.com) -- A rock formation in Western Australia was the site of great excitement a couple of decades ago when it revealed evidence of the oldest fossils of bacteria ever found, but a new study casts ...

Space & Earth / Earth Sciences

created Feb 21, 2011 | popularity 4.7 / 5 (22) | comments 53 | with audio podcast report

Discovery rekindles debate on origins of multi-cellular life

A recent discovery by a University of Florida geologist may lend support to the theory that one of the defining moments of evolution may not have occurred as currently thought.

Biology / Evolution

created Dec 22, 2010 | popularity 4.3 / 5 (13) | comments 75 | with audio podcast