Standard Reference Material

revised: May 1, 2012

There are several reference materials (SRMs) available at the Nevada Bureau of Mines and Geology. SRM’s NBM 1a-6b are available in 300g bottles @ $50.00 each and 30g bags @ $7.00 each. SRM's NBM-8a, 8b, and 8c are $100.00 for a 300g bottle and $15.00 for a 30g bag. These prices do not include shipping and handling. For information about availability and shipping contact the Publication Sales offices at (775) 682-8766 or by e-mail: nbmg@unr.edu.

Available NBMG SRM's for sale
NBM-1a:	Paradise Peak, andesite-hosted Au-Ag background
	NBM-1a: Au: 3.0 ppb, Ag: <100 ppb
NBM-2a:	Jerritt Canyon, carbonaceous Au-Ag background and ore
	NBM-2a: Au: 7 ppb, Ag: 248 ppb
NBM-4a:	Mesquite Mine, metasediment-hosted Au-Ag background and ore
	NBM-4a: Au: 75 ppb, Ag: <300 ppb
NBM-5b:	Boss Mine, carbonate-hosted, hydrothermal Au-Pt-Pd ore
	NBM-5b: Au: 1065 ppb, Pt: 317 ppb, Pd: 776 ppb
NBM-6a, 6b:	Stillwater Mine, mafic intrusive-hosted Pt-Pd background and ore
	NBM-6a: Au: 17 ppb, Pt: 159 ppb, Pd: 500 ppb
	NBM-6b: Au: 0.0234 opt, Pt: 0.352 opt, Pd: 1.13 opt
NBM-8a, 8b, 8c:	Carlin type oxide and refractory Au-Ag ore
	NBM-8a: Au: 0.049 opt, Ag: 0.036 opt
	NBM-8b: Au: 0.290 opt, Ag: 0.043 opt
	NBM-8c: Au: 0.397 opt, Ag: 0.019 opt