Новини от света на спелеологията

Lava tubes on Mars and the Moon are so wide they can host planetary bases

Science Daily - Caving news - Ср., 08/05/2020 - 18:01
Subsurface cavities created by lava on Mars and the Moon could provide a shield against cosmic radiation, new research suggests.

Scientists reveal an explosive secret hidden beneath seemingly trustworthy volcanoes

Science Daily - Caving news - Вт., 07/28/2020 - 18:35
Volcanologists working on remote islands in the Galápagos Archipelago has found that volcanoes which reliably produce small basaltic lava eruptions hide chemically diverse magmas in their underground plumbing systems - including some with the potential to generate explosive activity. These volcanoes might undergo unexpected changes to sudden such activity in the future.

What happens in Vegas, may come from the Arctic?

Science Daily - Caving news - Ср., 07/22/2020 - 21:27
Ancient climate records from Leviathan Cave, located in the southern Great Basin, show that Nevada was even hotter and drier in the past than it is today, and that one 4,000-year period in particular may represent a true, ''worst-case'' scenario picture for the Southwest and the Colorado River Basin -- and the millions of people who rely on its water supply.

Earliest humans stayed at the Americas 'oldest hotel' in Mexican cave

Science Daily - Caving news - Ср., 07/22/2020 - 18:27
A cave in a remote part of Mexico was visited by humans around 30,000 years ago - 15,000 years earlier than people were previously thought to have reached the Americas. Excavations of Chiquihuite Cave, located in a mountainous area in northern Mexico controlled by drugs cartels, uncovered nearly 2000 stone tools from a small section of the high-altitude cave. Analysis of the sediment in the cave uncovered a new story of the colonisation of the Americas.

Neanderthals of Western Mediterranean did not become extinct because of changes in climate, study shows

Science Daily - Caving news - Пон., 07/20/2020 - 17:17
According to paleoclimatic reconstructions analyzing stalagmites sampled in some caves in the Murge plateau (Apulia, Italy), Neanderthals might have become extinct because Homo sapiens employed more sophisticated hunting technologies.

Caves tell us that Australia's mountains are still growing

Science Daily - Caving news - Ср., 05/20/2020 - 19:07
Research shows Buchan Caves to be about 3.5 million years old and that Victoria's East Gippsland has remained tectonically active for long times, even into the present-day, which is why residents occasionally report earthquakes. Basically, the uplifting Southern Alps in New Zealand have made stress and strain on the Australian tectonic plate, stress that is then expressed as earthquakes and rising landscapes in Victoria. It's rather amazing that the caves recorded this geological signal all the way from NZ.

Human-driven pollution alters the environment even underground

Science Daily - Caving news - Пет., 05/08/2020 - 18:29
The Monte Conca cave system in Sicily is showing signs of being altered by pollution from above.

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