Shadrach K. Noku

4 Questions 20 Answers 0 Followers

Questions related from Shadrach K. Noku

What is the most appropriate standard to normalize REE concentrations of host sedimentary rocks, massive sulfides and supergene ores?

I have used chondrites, PAAS & NASC to normalize the REE concentrations for the host sedimentary rocks, massive sulfides & supergene ores. Which of these is more appropriate to use &...

11 March 2015 1,616 4 View

Could ore deposition, & hydrocarbon generation & accumulation occur in a same tectonic setting?

Could someone kindly provide articles, books or reference materials on ore deposition, & hydrocarbon generation & accumulation in a tectonic setting where regional tectonic activities may...

18 February 2015 8,010 13 View

Is it possible for a Cu-rich end member (ie. Cu5S) to form under a supergene processes?

I analysed a Cu-rich (native copper) phase from a supergene ore sample for its chemical composition and found that the atomic% for Cu range from 82.68 to 85.08 and S from 14.69 to 17.07. It's...

05 November 2014 5,292 8 View

Why No Porphyry Copper Deposits in Japan?

I did ask the same question during one of our postgraduate group discussion when I was studying at Hokkaido University, Japan from 2007 to 2010. Some of the group members gave their individual...

01 January 1970 6,092 10 View