Canadian production comes mainly from two mines in northern Saskatchewan province, one of which, McArthur River, is the largest uranium mine in the world. Production is expected to increase significantly after 2011 as several new mines, now planned or under construction, go into operation.
Molecular weights can be found in the NIOSH Pocket Guide to Chemical Hazards, chemical supplier lists, the NIST Chemistry WebBook or other online databases.. The numeric value of 24.45 in both formulae is the molar volume of air in litres at normal temperature and pressure (NTP), which is considered to be 25ºC and 1 atmosphere (101.325 kPa or 760 mm Hg or 760 torr).
I shall drive there in my carriage at two o'clock in the afternoon for three successive days; the first day it will be drawn by four white, the second by four chestnut, and the last by four black horses; but if you fail to keep awake and I find you sleeping, I shall not be set free.
The Paisley Caves complex is a system of four caves in an arid, desolate region of south-central Oregon, United States. One of the caves contains archaeological evidence of the oldest definitively-dated human presence in North America.
Actinolite is green to grayish green mineral of the amphibole group found in metamorphic rocks. It sometimes has a fibrous texture that produces a strong cat's-eye. Almandine garnet, also known as "almandite," is an iron-rich, red-to-purple garnet that is geologically very common and typically sells ...
Getting to the source of ancient Egypt's copper Nature Asia - August 17, 2018 Investigations by two independent teams of scientists in Europe have found that the copper used in some ancient Egyptian artifacts mainly came from mines in Egypt's Sinai Peninsula and Eastern Desert.