New to rock Identificatoin - Help please - Heavy black rock, magnetic.
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Thread: New to rock Identificatoin - Help please - Heavy black rock, magnetic.

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  1. #1

    Feb 2016
    1
    All Types Of Treasure Hunting

    New to rock Identificatoin - Help please - Heavy black rock, magnetic.

    Hi everyone, I found this rock and would love some assistance identifying it, its very heavy, was picked up by my metal detector and is magnetic. The bottom looks like a normal rock and the top has areas of smooth black and an area of green and some areas of orange. Its about 12cm long

    Here are some images.
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    Thanks in advance for any assistance.

  2. #2
    us
    Jan 2008
    Black Hills of South Dakota
    Tesoro Lobo & Garrett Stinger
    4,353
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    All Types Of Treasure Hunting
    Could be a meteorite, could be a hunk of magnetite. Does it have an area that looks like it might have been burned or has a crust?
    "Irony is the rule"

  3. #3
    us
    steve andermatt

    Apr 2013
    California
    AT GOLD/Garrett /Garrett pro pointer/ 5x8 double d coil and sniper coil/Lesche digger
    4,813
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    The orange spots are rust coming out of the rock.The green crystalized areas I don't know but to me it looks to be molten like lava.
    tamrock likes this.
    back of the boat

  4. #4
    us
    Grant Brandenburg

    Jan 2013
    Colorado
    Bounty Hunter Tracker IV
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    Iron meteorites are magnetic, while most naturally-occurring rocks and silica slag are not. Some people think this test proves a specimen is a meteor but, this is not true. Iron ore and iron slag can also both be magnetic.

    My vote is for magnetic iron slag as, crushed slag is used by the tons for railroad ballast and found all over country from present and abandoned rail lines.
    Last edited by tamrock; Feb 17, 2016 at 08:29 PM.
    Back-of-the-boat likes this.

  5. #5

    Mar 2016
    9
    All Types Of Treasure Hunting
    The rock that you have seems to have a fusion crust but can't certainly say that it's a meteorite. If you want a better identification of it whether it is a meteorite or not, i kindly request you to contact this person at his email id "korotev@wustl.edu"

 

 

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