Juan-Francisco Araya

3 Questions 6 Answers 0 Followers

Questions related from Juan-Francisco Araya

How can I determine the origin (submarine or above-ground) for a scoria sample?

Dear All: I have obtained a few samples of scoria from deep waters (1800-2000 m depth) off northern Chile. I am most interested to know where they have been produced: if in-situ as submarine...

20 May 2016 8,260 4 View

Can anybody help me identifying this limpet?

Dear Colleagues: Can anybody give suggestions on the identity of this small calyptraeid species? I collected it alive on rocks at low tide near Caldera (27°S), northern Chile. It differs from all...

30 March 2016 6,790 8 View

Where can I find Raman spectra for rhenium disulfide?

For comparison with rheniite.

15 November 2013 8,949 3 View