Christopher. P. Brough

4 Questions 21 Answers 0 Followers

Questions related from Christopher. P. Brough

What information is required to verify a new mineral identification?

During some routine pegmatite mineralogy we came across an unknown mineral in association with the very rare-mineral 'fluorcalciomicrolite'. We no longer have the grab sample from which the thin...

03 June 2015 5,049 12 View

How would gold mobility change with metamorphic grade?

If gold mineralisation occurs very early in the orogenic cycle (i.e. pre-pre-peak metamorphism), how would we expect the gold to re-mobilise through the prograde-retrograde metamorphic loop?...

28 January 2015 983 12 View

What mineral was exsolving from this chromite grain and where has it gone?

Chromite grains have been observed with exsolution patterns before, including the fascinating example of clinopyroxene and coesite from the Luobosa ophiolite (Yamamoto et al., 2009) and earlier...

18 December 2014 1,338 7 View

How does aragonitic limescale form inside the boiler system of vending machines?

Vending machines, operating at a water temperature of 95oC and atmospheric pressure usually form calcitic limescale. This is the trade off to having coffee that tastes somewhat decent and means...

29 October 2014 1,473 18 View