Sentences with phrase «by molten rock»

Geysers and deep - sea vents are hydrothermal phenomena in which water, heated and pressurized by molten rock, is released through vents at the land surface or into the oceans.

The strain is accommodated by either rocks sliding past one another, causing earthquakes, or by molten rocks welling up from deep underground to fill the opening space, ultimately leading to volcanic eruptions.

Not exact matches

2) If you believe that 2 random particles, «uncreated» by the way, hit each other and created this universe, this world, which started as molten rock, which led to animals, nature, intelligent, conscience humans, etc., then, wow...

Well I cruised by in my spaceship about 4.6 billion years ago, and saw nothing, but about 100 million years later I cruised by and there was a big molten rock so I named it Earth.

Igneous rocks are formed by the cooling of magma (molten rock) which makes its way to Earth's surface, often leading to volcanic eruptions.

This excess molten rock can be caused by very hot temperatures in the mantle.

The hypothesis has been strengthened recently by the discovery that bands of alternating normal and reversed magnetism parallel the mid-ocean ridges, apparently indicating upwellings of molten rock during different magnetic «polarity epochs.»»

The pressure difference could be caused by hot, partially molten rock piled up beneath mid-ocean ridges or beneath the cooling plates diving into the earth at subduction zones, the authors write.

«We think this is a dome - shaped pocket of partially molten rock surrounded by normal mantle,» Helmberger says.

Caught on camera by husband and wife Stephen and Donna O'Meara, a shimmering plume of molten rock erupts high into the night sky from the volcano Kilauea in Hawaii.

At roughly 3000 °C, it lacks a surface but has an outer edge marked by clouds of molten rock that form silica raindrops.

Almost immediately the entire mountain appeared to be consumed by liquid fire, a fountain of ash, water, and molten rock shooting in every direction.

At its base, scientists expect to find a hodgepodge of chunks of bedrock blasted up by the impact and once - molten rock that fell back into the crater in the minutes after impact.

Rocks become magnetic by taking on their planet's field while still molten, and this field becomes locked in as they cool and solidify.

The researchers, led by Elizabeth Bell — a postdoctoral scholar in Harrison's laboratory — studied more than 10,000 zircons originally formed from molten rocks, or magmas, from Western Australia.

It eroded from igneous rock, which was produced by the solidification of molten magma.

A previous paper by Garrick - Bethell and some of the same coauthors described the effects of tidal stretching and heating of the moon's crust at a time 4.4 billion years ago when the solid outer crust still floated on an ocean of molten rock.

The spherules, known as microtektites, are droplets of molten rock that were melted and thrown out of the impact crater by the energy of the projectile, or condensed from rock that was vaporized upon impact.

By JAMES PAPIKE and JOHN EICHELBERGEREighty years ago, 12 cubic metres of molten rock burst from the ground in the wilderness of southwest Alaska.

A synestia has an exterior region marked by clouds of molten rock and dust, all at a scorching 2000 °C or hotter.

The volcano was probably created by a tectonic rift running under west Antarctica, where Earth's crust is being pulled apart and molten rock is welling up from beneath.

Several sites on the near side sampled by Apollo astronauts had rocks enriched with KREEP — for potassium (K), rare earth elements (REE) and phosphorus (P)-- which resists crystallization from magma and hence remains in a molten state until the entire magma ocean has solidified.

There is likely to be a core consisting of molten rock and metal, surrounded by a mixture of rock, water, ammonia, and methane.

(Most of Earth's oldest rock has been recycled by plate tectonic processes, shoved down into Earth's molten mantle where it melts and reforms as new rock.)

The duo are cornered by lava, and the monkey arrives in the nick of time to relieve itself on the molten rock and, for good measure, the teensy duo.

So figure that molten outer core is insulated by kilometers of dirt and rock... the heat gets out... but slowly.