MOHO & Water

Seismology has identified a specific velocity change under the oceans and continents known as the Mohorovicic Discontuity. It is inferred from the different arrival times of P and S Waves. The velocity differential is explained by assuming rocks above the MOHO are basaltic and those undernearth peridotitic, or a mafic-ultramafic transition.

Maybe.

An alterntaive explanation is that the velocity change is due to water saturated mantle. This interpretation is based on the previous geophysical interpretation of the anticipated rocks during the drilling of the Kola Deep Hole where high velocity seismic records were interpreted as mafic rocks but on drilling were shown to be water saturated gneisses. This was unexpected.

The existence of ‘primary’ water at depth is also inferred from the occurrence of ‘artesian’ water, water that is under subsurface pressure causing it to spurt out from the ground.  Artesian water in this sense would then be ‘primary’ water produced by mantle degassing, along with natural gas (methane) which in Australia at least, it is commonly associated.

But mainstream science rejects this explanation preferring instead the recycled water explanation for artesian water, where rainfall in uplands percolates over time downwards into the artesian sedimentary basins.

About Louis Hissink

Retired diamond exploration geologist. I spent my professional life looking for mineral deposits, found some, and also located a number of kimberlites in NSW and Western Australia. Exploration geology is the closest one can get to practicing the scientific method, mineral exploration always being concerned with finding anomalous geophysical or geochemical data, framing a model and explanation for the anomaly and then testing it with drilling or excavation. All scientific theories are ultimately false since they invariably involved explaining something with incomplete extant knowledge. Since no one is omniscient or knows everything, so too scientific theories which are solely limited to existing knowledge. Because the future always yields new data, scientific theories must change to be compatible with the new data. Thus a true scientist is never in love with any particular theory, always knowing that when the facts change, so too must he/she change their minds.
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8 Responses to MOHO & Water

  1. fabio says:

    It would be very interesting to know about the fossils drilled together in Kola, which could give clues about from where water came

    Like

  2. THX1138 says:

    Massive ‘ocean’ discovered towards Earth’s core | New Scientist

    “A reservoir of water three times the volume of all the oceans has been discovered deep beneath the Earth’s surface. The finding could help explain where Earth’s seas came from.”

    https://www.newscientist.com/article/dn25723-massive-ocean-discovered-towards-earths-core#.VGeaXjTF_W0

    “Other research has suggested that a zone between the mantle and the crust also contain a great deal of water, the Japanese researchers noted. If so, there could be more than ten times the amount of water inside the planet as there is on its surface.”

    http://primarywater.org/

    Primary Water: Who Knew? | About The Sky

    “Scientific American: A recent study documented the presence of vast quantities of water locked far beneath the earth’s surface. That study confirmed “that there is a very, very large amount of water that’s trapped in a really distinct layer in the deep Earth… approaching the sort of mass of water that’s present in all the world’s oceans.””

    http://www.aboutthesky.com/smallstorm-blog/2015/412-primary-water

    I’ve read elsewhere that this water is absolutely pure and very healthy. One very large (the size of a lake) primary water find in a cave, I recall, did contain a species of Archaea, which is completely harmless.

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  3. richard says:

    I have thought water was produced here in the earth. I couldn’t prove it of course but the idea of billions of space borne snowballs depositing the fluid always shut me up in any discussion thanks to the prevailing theories about it’s source.

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    • Milky quartz actually has quite a lot of water in its lattice, but then that raises the question of how milky quartz is formed since its a major constituent of “granitic” rocks. Which leads us to planetary formation and the standard accretion model.

      However self-gravitation that the accrestion model is based on is not possible since Newton’s Laws only apply to Newtonian objects and not plasma which is matter in a non-Newtonian state. So all the ideas we have proposed at for atomic behaviour are based on an erroneous application of Newton’s laws of motion.

      Which means we really do not have much of an idea of what the mineralogical composition of the Earth’s interior is.

      Hydrogen is abundant but oxygen? How is O2 formed? Is it stable?

      The other obstacle is the standard model that is based on creation, whether scientific via the Big Bang or theological, or short chronology. If everything is exploding away from the BB then when and why did that process start to reverse to allow accretion of matter?

      Much easier to assume the univrerse always existed and then proceed from the plasma theory and apply the Lorentz forces to form matter in plasma Z-Pinches.

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  4. richard says:

    u·ni·verse
    ˈyo͞onəˌvərs/
    noun
    noun: universe; noun: the universe

    all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago.
    synonyms: cosmos, macrocosm, totality; More

    How is it possible to believe that the universe is at least 10 billion light years in diameter? Certainly that would be easier to adhere to than infinite but not be cause it couldn’t be infinite but because infinit is to big to fit our heads/thinking, the measuring would also have to be infinite, it would mean all eternity of plumbing the depths. Of course here I think we would be faced with adopting faith and throwing the rule aside or move on to the next fathom.

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    • Notice the phrase : the universe is believed…….not measured or observed but believed. And the stark statement “since its creation in the Big Bang about 13 billion years ago” is theological and intellectual nonsense. It is, however, the world view of 2.4 Christians and 1.5 billion Muslims, so any science these cultures reason with has to be compatible with their core cultural values. Stopping a stampede of Wildebeests seems more plausible.

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  5. richard says:

    I forgot to ask for directions to oxygen. Where might we get it?

    Liked by 1 person

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