MINEBK00804

• County: Boulder
• Volume: 12
• Document: Inspectr
• Suffix: A

Altsa - 3.
ORES de O,RE BODIES-Contia.
veins is northeast and southwest and that of the tungsten veins
is north anu west. The dip o3 fihe sulphide veins is north
while the tungsten veins dip to the eeat..The aFerage width of
the dlton voia,.npon which the main working shaft is sunk, Se
4', #lirying iron ~' to 7' in width. The length is 100'; height
llb'.
Thera are tour,ore shoots that.have been opened on the
Alton vein, These are 30', 100',.120' and 160' in.length re-
opeotively'. The aharaoter of vein filling is tnageten, pigma-
tite and Yerberite. The metals are gold, silver, popper, lead
and tungsten. The enclosing rooks era granite and porphyry.
The gangue is 4par. Thore are no Faults. All oY the tungsten
ore is oonoontrated, the first elaea orc assaying X94 per ton.
All work is ooniined to development and beoanse of this the
produotion of ore is limited to n very saall Quantity. All o=
tho veins that have been opened through the tunnel the vein
tilling 1a iron snlphiden and quartz, parrying gold. silver,
pepper and lead. Hone of these veins are being worked at ,this
j ~ time. ,
S IIRBACE PLABT ~f`
i ?'
At the month of tho tunnel is a 60 h.p,, internal tiro,
Sootoh Marine boiler that ie not in nee'. At the main working ~~
ahaFt 1s one 30 h. ~'
~ p. upright boiler. Both boilers are in good
oonditioa and wore lent ezaminod Ootober 30, 19D9. Tho orator
nnpply For the upright boiler is taken from the mine. LS$nlte f'.
opal is need,for Taal attd tho Preannre parried in 100#.
v;
One,L-drill, 9" 7C 10" Z 12", Sullivan air oompresaor ~'
ie atationod in tho boiler house at the month of the tunnel.
One. 6" z 6", flat iriotion, double oyllnder,eteam hoist,
=nde by Readrie & Bolthoti, Denver, Colosado, 1n in the 9h8ft
honne ovor main working shaft. the holnt is equipped with e
positive indiontor in plain •lew of tho engineer who operates
at the engine. _ ~~