[ExI] Space Mining
Keith Henson
hkeithhenson at gmail.com
Sun Mar 31 23:40:26 UTC 2024
On Sun, Mar 31, 2024 at 4:31 PM Adrian Tymes via extropy-chat
<extropy-chat at lists.extropy.org> wrote:
>
> On Sun, Mar 31, 2024 at 4:16 PM Keith Henson <hkeithhenson at gmail.com> wrote:
>>
>> On Sun, Mar 31, 2024 at 1:40 PM Adrian Tymes via extropy-chat
>> <extropy-chat at lists.extropy.org> wrote:
>> >
>> > I also note the subject line of this email. In addition to asteroid mining, there is the potential for lunar mining.
>>
>> Lunar regolith is about 1% metal.
>
Sorry, 1% meteor iron.
> https://sites.wustl.edu/meteoritesite/items/the-chemical-composition-of-lunar-soil/ says the combined aluminum and iron content is more like 20%. Other metals are scarce, though.
Right, but oxides are hard to make into metals without carbon.
Keith
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