IR1 3.13% 31.0¢ iris metals limited

@stzenit yes it's correct that the 44.13m interval with 1.02%...

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  1. 6,033 Posts.
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    @stzenit yes it's correct that the 44.13m interval with 1.02% Li₂O was encountered at surface trench. It is also supposed to be weathered IMO. We don't know the drill results for depth yet.

    I don't know anyone from the management and I don't want to know at this stage either. I only want to see the results on announcements, that' be enough for me. I only rely on the results and make my analysis and decisions according to the facts. Yes I take risk by buying the stock but I don't need any optimistic comment from anyone including anyone from the management.

    Let's wait and see the drill results. Then we talk.

    Btw, I'll give you some of my findings about the geology at the Black Hills area where all of IR1 projects are located.

    You can see the Black Hills on the Google Earth or Maps.
    https://hotcopper.com.au/data/attachments/5448/5448867-84cc370a8c00be6f479dc0170c147c71.jpg

    https://hotcopper.com.au/data/attachments/5448/5448870-a1534c62c4df31d661164b134ed84e1b.jpg

    The map below is the large US geological map. Black Hills can be seen on it as it's marked.

    https://hotcopper.com.au/data/attachments/5448/5448875-368ba5629ad363ea9b3a71091f5de670.jpg

    Black Hills looks like a huge distinctive geological structural dome at the middle of North America. There is a very old granite rock at the middle.

    Here are some maps from the USGS sources, explaining the geology of Black Hills.

    https://hotcopper.com.au/data/attachments/5448/5448882-36c096ef23630bec322d5c291aeef634.jpg

    As it's stated on the image above the structure is 1.6 to 2.5 billion years old, and there are younger rocks around it (see below illustrated rocks map).

    This period of time is important because the most significant LCT pegmatites are all evolved exactly during that period including Greenbushes and Pilbara pegmatites. Here is the proof from old docs which I have had long time ago.

    Source: "The 2650 Ma to 2600 Ma Magmatic Event and its Economic Importance for the Archean LCT Pegmatite Budget"

    https://hotcopper.com.au/data/attachments/5448/5448923-eb1ddf300be49cc0626d48c55c44b3c0.jpg

    The map below is a simple schematic illustration for geology of Black Hills.

    It's very interesting because it's exactly a right geology for LCT pegmatite evolution IMO. The abundance of spodumene rocks is not surprising in this type geology IMO.

    https://hotcopper.com.au/data/attachments/5448/5448889-ba69051efd689abdfd7b3e2f7c697664.jpg

    I have done some work and find the locations of IR1 projects and tenements on this geological map. It's below.

    Source: Geologic map of the United States

    https://hotcopper.com.au/data/attachments/5448/5448895-85ce2e2406650d7b2c8c472290c69e67.jpg

    And also I believe Tin Mountain project there might be very prospective even though IR1 didn't mention any spod occurrence there and not doing any work there atm. There is already an old tin mine there as well.

    However tin is a signature mineral for spodumene bearing pegmatite evolution and its exploration as far as I know. The best two spodumene deposits of world are Greenbushes in WA and Manono (AVZ's project) in DRC both have tin bearing deposits around their pegmatites as well as tantalum indeed.

    Also I can see (if I'm not wrong) the Tin Mountain tenement is at a very favorable geological location, maybe even better than Beecher. I'm sue the management knows its potential as they have already increased their tenement holding at that area.

    Here is the images of Tin Mountain mine below I took from Google Earth.

    https://hotcopper.com.au/data/attachments/5448/5448898-922607beb05be2c6bdd0912b11f8daad.jpg

    https://hotcopper.com.au/data/attachments/5448/5448899-8ef4fb667207b8a0055501c7cc61cda6.jpg

 
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