Le Wang

5 Questions 9 Answers 0 Followers

Questions related from Le Wang

Does anyone know the mineral in the following photomicrographs?

Please look at the two columnar minerals adjacent to the calcite and chalcedony. The unknown mineral was circled by the red ellipse. The first picture is under plane polarized light, second under...

01 May 2019 1,995 3 View

What factors control the frequency and size of fluid inclusions in porphyry-epithermal systems?

Can the change of frequency and size of fluid inclusions in porphyry-epithermal system indicate the hydrothermal center and peripheral part? Does denser and larger fluid inclusions in quartz or...

16 July 2017 6,708 4 View

What methods could I take to define the metallogenetic relationship between a porphyry Cu deposit and an IS epithermal deposit?

The porphyry Cu deposit and an IS epithermal deposit have nearly the same forming age. There are about 4km distance between them. How can I find their origin relationship? Could you please give me...

05 November 2016 9,156 16 View

What's the definition and ore-forming significance of flashing in epithermal systems?

Term 'flashing' can often be met in epithermal papers, but I don't have a clear idea of it's mechanism and detailed process, could anyone give me an explanation? Thanks a lot in advance.

08 September 2016 5,900 2 View

Which one is the best to date an old epithermal deposit using Ar-Ar method, K-feldspar, sericite, or adularia?

The deposit is estimated to form older than 400Ma. And there are abundant K-feldspar and sericite, minor adularia, which one has the highest closure temperature in Ar-Ar isotope system? Which one...

07 August 2016 2,204 2 View