crusher nugget pn .

Element and isotopic signature of re
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2020-3-20 ensp 0183 ensp The Cache Creek terrane comprises Mississippian to Lower Jurassic oceanic rocks that were accreted to the North American margin during the Mesozoic Monger et al 1972 Orchard et al 2001 Mantle peridotite and crustal mafic rocks in the northern Cache Creek terrane around the town of Atlin have been interpreted as fragments of tectonically dismembered ophiolite i e Nahlin ophiolite...
How metal detectors work
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2019-11-1 ensp 0183 ensp B leep bleep Bleep bleep Is there anything more exciting than discovering treasure Millions of people all around the world have fun using metal detectors to uncover valuable relics buried underground Exactly the same technology is at work in our military and security services helping to keep the world safe by uncovering guns knives and buried mines...

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