[Rockhounds] chrysocolla vein in abandoned mine

[J Bryan Kramer]

Interesting video, these guys are exploring abandoned mines, in this case
around 29 palms California. The one this was shot in has a bright blue
chrysocolla vein 6 or 8 inches (20 cm) wide. Jump to the 33 minute or so
point for a cl;ose look ay it:

<https://www.youtube.com/watch?v=_HPbraYhF4Q>

Thought some of you would be interested.

BK

““There exists a law…inborn of our hearts…by natural intuition. … If our
lives are endangered by plots or violence or armed robbers or enemies, any
and every method of protecting ourselves is morally right.””
Cicero

J Bryan Krämer       North Florida, USA
photos at: http://pbase.com/photoburner


On Fri, Mar 5, 2021 at 6:39 PM Kreigh Tomaszewski <kreigh at gmail.com> wrote:

> Volcanoes in southwestern Iceland have been quiet for 800 years, but the
> period of rest may soon be over: More than 18,000 earthquakes have shaken
> the area in just over a week, leading scientists to believe that an
> eruption could be imminent.
>
> Geophysicists and volcanologists say the quakes are the culmination of over
> a year of intense seismic activity, and although most of the tremors have
> lasted a few seconds, with light shaking, they have rattled residents in
> the capital, Reykjavik, just 20 miles north of the Reykjanes Peninsula
> where they have occurred.
>
> “People in Reykjavik are waking up with an earthquake, others go to sleep
> with an earthquake,” said Thorvaldur Thordarson, a professor of volcanology
> at the University of Iceland. “There’s a lot of them, and that worries
> people, but there’s nothing to worry about, the world is not going to
> collapse.”
>
> Earthquakes are common in Iceland because it straddles two of the Earth’s
> tectonic plates, the North American and Eurasian, which are divided by an
> undersea mountain chain, the Mid-Atlantic Ridge. The ridge oozes molten hot
> rock, or magma, from deeper in the Earth, forcing the plates to spread
> apart and causing quakes on the island.
>
> Most of the quakes, however, are small and occur far from Reykjavik and the
> surrounding areas, where a majority of Iceland’s 368,000 residents live.
> Dr. Pall Einarsson, a professor emeritus of geophysics at the University of
> Iceland, said what usually fascinated scientists, was now riveting the tiny
> nation.
>
>
> https://www.nytimes.com/2021/03/04/world/europe/earthquakes-eruption-iceland.html
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>