Sierra County advocate., 1904-05-06

Ths Advocate u constantly receiving
from al parts Of the country, letter,
ssking the above and following ques
fions. To answer correspondents, tt
give reliable. accurate and authentic
Information. and to further advance
our great in'srsssts, is The the ooR'sSt of thiA
article;
Il gold found 1t FIIlsboro in quarts
yeins or In placersl ln both. but prin-
cipally IN assure veins. Between two
and three hundred claims have been 10
lated on these veins which show pay
,rs At the surface and the work done
IN these varies from mere assessment
.ioles to the principal mines that have
peen developed to depth Of zoo feet.
What Is the nature Of the oreY Cop
per and iron suiphlde and some com
paratively free milling quartz. With
depth the ore becomes smelling and
concentrating material. The percept-
age Of copper in the ore shipped to the
snnelters 10 from one 10 twelve unix--
IA concentrates sometimes as high o.
twenty units. Silica In crude ore from
forty to eighty-fiye. smelter certifi-
eates show the ore TO carry from two
10 fourteen ounces Of gold, from three
70 sixty ounces silver The bulk OF the
ore ard concentrates shipped. howevsr,
will average about $40 per ten.
Has there been any large production
The Opportunity group has produced
23-OV0 tons Of ore and over half a mil
..on dollars. The Bonanza mine 1000
IONS and 5000 900. The Richmond 5000
ions ond over $200,O00. These are the
largest producers 50 far.
Are the milling facilities good7 Prac-
neally they are not-the saving has
seen from ffty to seventy five pes
ut. at the best. A modern custom
Ill Is badly needed and q fortune
waits the parties who viii build one.
'ufiicient water aud an ideal concen-
ating ore, with proper appliances
nety to ninety-nve per cent would b.
ae savihg.
YIN the owners let 20 easy. or do
hey want the earth1 They are reas
aabIe people. but they are not giving
ny their mines, or giving bonds on
nstlme rainbcws. During the past
40 years some thirty mlues have been
sold. mostly around Amlmas Peak, and
he highest price paid was $1,000
That min- ~as become the largest pro
iucipg and the best paying In tho dls-
frIcf and the owners would now ask
A very large sum. The greatly Inn
pro .ed Price OF copper and lower
sEasiting rates have Of late been very
'eneacial 10 these mines. With good
.,...om mill tho progress would bs
rapid.
What are ore ae,ghtsi From the
mine TO the III Paso smolter from 50
70 81 per ton; from mine to nill 10
'ents to $50 per ton.
What Is the geological formationi
An eruptiye country ROCK, BY the ex |
peris classed AZ Apdesite; the ore veins
IRE found accompanying dikes OF fine
grained felsite and brdseye porphyry
which cut through The country NORTH
'ast aid southwest. Nest OF the vein,
ire fairly easy working on drift con
racts prices have been from So to 50 |
'er foot. Incline shafts on ysiu are
'heaply driven. but vertical shafts In
'ounhy rock have generally been found
rery expensive.
Is there much snow In wlnterf Not
'nough 10 swear by; the climate. win.
er and summer, 10, from = miners
OF view, perfect. No snowslides
md no pneumonia for the miner to
Tread
10 there much placer mining? There
> an extensive placer field which II
pen to iocators and there are always
ONE men at work who make from 81
0 So per day An occasional nugge'
rings up the average. or course som,
nrn are iuckier than others, here A.
lsewhere. Must of the gold Is founL
'ithin few feet Of the surface. Th,
lIners scoop up the pay streak dir
nd run II through dry Washing mu
hines. The nearest water Is dissaDl
We mi'es aud about 400 feet below tn.
old level. Several companies hav,
cen formed to work these placers O,
high scale. but the immense cost OF
ringing In sufficient water hhs mad
he project appear OF doubtful profit
new company has recently been OF
anised to exploit this Geld with ms
hine Of the Bucyrus type-this
robably the very hest method snc {
kelly = sncceed
Il the iIillshoro mines. II
4 ., dollars? Hetwren two an Il
ana gaartcr r,illions. II