Sentences with phrase «older volcanic rocks»

The material, they believe, was recycled as older volcanic rocks forming the roofs of magma chambers collapsed and remelted during eruptions, only to be reejected in the next volcanic outburst.

The study shows that mounds of old volcanic rock, called seamounts, are the drains and spigots for a vast plumbing system that pumps hot, mineral - rich fluids under the sea floor.

Many geologists attribute the Brunswick Magnetic Anomaly to a belt of 200 million year old volcanic rocks that intruded around the time the Atlantic Ocean.

Not exact matches

The thirty two properties within the Marble Bar paleoplacer gold project cover an area of approximately 1,251 square km in the Nullagine embayment and 554 square km in the Marble Bar subbasin underlain by 2.74 billion year old siliciclastic sedimentary and volcanic rocks belonging to the Fortescue Group, the basal part of the Hamersley Basin located in the Pilbara region of Western Australia.

The volcanic rocks of the 1.1 billion - year - old Midcontinent Rift play a prominent role in the natural beauty of Isle Royale National Park in Lake Superior.

By analyzing volcanic rocks and once - magnetized particles of sediment above and below fossils from the Chorora Formation, the researchers have new evidence that Chororapithecus was probably about 8 million years old.

The researchers found that the Oligocene Bas Obispo Formation and other older rock types had more abundant water - borne elements compared to the younger Pedro Miguel volcanic rocks.

The bathers that gather every summer on the banks of the rivers of the mountain ranges of La Cabrera and El Teleno in León have little reason to suspect that the rocks that they can see near the water are of volcanic origin, over 460 million years old, when an emerging Iberian Peninsula was still on the coast of the continent of Gondwana, on the shore of the Rheic ocean.

Oldest known, bacterial «trace fossils» found as mineralized tubes with organic residues in undersea volcanic glass 3.34 billion years old, which were etched by «rock - eating» bacteria along cracks (more).

On the field trip and from our extensive rock collection, we compared modern to Miocene age (0 - 20 million years old) hot springs in New Zealand with ~ 3.5 billion year old deposits in Western Australia, and we also discussed parallels with some unusual knobby silica deposits at Columbia Hills and other hot spring sinters at El Tatio, Chile, and in the Taupo Volcanic Zone.

The team determined that the basalts from Baffin Island, formed by a 60 - million - year - old eruption from the mantle hot - spot currently located beneath Iceland, and the Ontong - Java Plateau, which was formed by an enormous volcanic event about 120 million years ago, contain slightly more tungsten - 182 than other young volcanic rocks.

When this superheated water rises from underground, it passes and often partially melts old lava flow deposits of rhyolite, a volcanic rock of silica - rich composition.

It is clear from this data that the Salt Pond Peninsula is made up of the oldest known volcanic rocks on the island.

Australia's Jetstar will cancel 9 of 15 planned flights out of the Indonesian holiday island of Bali, the budget airline said on Friday, following a It is clear from this data that the Salt Pond Peninsula is made up of the oldest known volcanic rocks on the island.

Rock legend Marianne Lane is recuperating on the volcanic island of Pantelleria with her partner Paul when iconoclast record producer and old flame Harry unexpectedly arrives with his daughter Penelope and interrupts their holiday, bringing with him an A-bomb blast of nostalgia from which there can be no rescue.

A remake of sorts of the 1969 film La Piscine, A Bigger Splash tells the story of ageing rock star Marianne Lane (Tilda Swinton) and her younger lover Paul (Schoenaerts) who, while vacationing on the volcanic island of Pantelleria, are unexpectedly joined by hirsute old flame Harry (Fiennes) and his daughter Penelope (Dakota Johnson).

Remains of a 20 - million - year - old volcanic eruption offer shelter and food for more than 500 species of fish, making diving at Julian Rocks one of Byron Bay's biggest highlights.

The central core of the Maya Mountains is formed of older crystalline volcanic and metamorphic rocks (quartz, granite, shists).

Edinburgh Castle dominates the skyline of the city from its position atop the volcanic Castle Rock in Edinburgh's Old Town district.

The houses in the old part of the village are predominately made from volcanic rocks.

A central valley splits the island along the Santa Cruz Island Fault, with volcanic rock on the north and older sedimentary rock on the south.

A central valley splits the island along the Santa Cruz Island fault, with volcanic rock on the north and older sedimentary rock on the south.

This luxury cave hotel is in the hillside village of Uchisar, the site of a thousand - year - old former monastery patiently carved out of the regions's soft volcanic rock.