Alonso Marchena

2 Questions 5 Answers 0 Followers

Questions related from Alonso Marchena

What Ge and In concentrations in sphalerites (chemical composition of sphalerite minerals) are generally considered economic?

I would like to know if there are bibliographic references on this subject, or also to know what are the maximum values of Ge and In that can be in a sphalerite.

06 October 2023 8,033 0 View

How can I explain a strong negative Eu anomaly in a rhyolitic lava spacial and temporaly asociated with great porphyry copper deposits?

The rhyolitic lava is the Asana Formation asociated with the PCD Quellaveco at southern Peru

27 August 2017 912 7 View