Liberty Gold Mine Geology

CWU’s Nick Zentner presents ‘Liberty Gold Mine Geology’ – the 12th talk in his ongoing . Recorded at Hal Holmes Center on March 11, 2015 in Ellensburg, Washington, USA.

Liberty Gold Mine Geology

From Wikipedia, the free encyclopedia:

Gold production in the universe

Gold Mine Geology

Gold Mine Geology

Schematic of a NE (left) to SW (right) cross-section through the 2.020-billion-year-old Vredefort impact crater in South Africa and how it distorted the contemporary geological structures. The present erosion level is shown. Johannesburg is located where the Witwatersrand Basin (the yellow layer) is exposed at the “present surface” line, just inside the crater rim, on the left. Not to scale.

Gold is thought to have been produced in supernova nucleosynthesis, and from the collision of neutron stars, and to have been present in the dust from which the Solar System formed.

Traditionally, gold in the universe is thought to have formed by the r-process (rapid neutron capture) in supernova nucleosynthesis, but more recently it has been suggested that gold and other elements heavier than iron may also be produced in quantity by the r-process in the collision of neutron stars. In both cases, satellite spectrometers at first only indirectly detected the resulting gold. However, in August 2017, the spectroscopic signatures of heavy elements, including gold, were observed by electromagnetic observatories in the GW170817 neutron star merger event, after gravitational wave detectors confirmed the event as a neutron star merger. Current astrophysical models suggest that this single neutron star merger event generated between 3 and 13 Earth masses of gold. This amount, along with estimations of the rate of occurrence of these neutron star merger events, suggests that such mergers may produce enough gold to account for most of the abundance of this element in the universe.


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Cave Creek choppers · April 26, 2022 at 4:42 pm

Enjoyed the read

large Airedales · April 13, 2022 at 3:35 am

Good mining history!

San Diego lawyer · April 9, 2022 at 3:14 pm

Looks like a great gold mine!

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