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at high pressures," says John Ludden, executive director of the British Geological Survey. "The formation and release of overpressured water may be a significant trigger in the deep lithosphere for ultra-deep earthquakes, sometimes located well below the crust and in the more rigid parts of deep continental plates." The findings may also inform how our planet got its water to start with. Studies over the past few years have found evidence of several oceans'worth of water locked up in rock, as far down as 1000 kilometres, questioning the assumption that water arrived from space after Earth's formation.A study published this week, for example, based on isotopes from meteorites and Earth's mantle, also found that water is unlikely to have arrived on icy comets after Earth formed, as has long been assumed. Instead, all this research seems to suggest that much of our planet's water may have come from within—although no one yet knows exactly how much his://en.wiki edn ia.org wiki/Magmatic water Magmatic water, also known as juvenile water, is an aqueous phase in equilibrium with minerals that have been dissolved by magma deep within the Earth's crust and is released to the atmosphere during a volcanic eruption. It plays a key role in assessing the crystallization of igneous rocks, particularly silicates, as well as the rheology and evolution of magma chambers. https://primerywater.com/images/Primary°/o20Water°/o201ntroduction%20E N.pdf primary water is a unique form of water that is created deep in the Earths mantle. Unlike the traditional hydrological cycle that relies on precipitation,primary water is created inside the Earth by the synthesis of hydrogen and oxygen under high pressure and heat. Primary wate rthen rises to the surface through cracks in the Earth's crust, where it can be accessed using specialized location techniques developed by us.