The Grangeville globe. [volume] (Grangeville, Idaho) 1907-1922, 1916-06-01
~ Method Applicable to Ida
" 10 County Ores Says
Local Writer.
SSIETDUFFALOHUMP
|psesut Tests on Ores From
Tsu Mile and Hump Show
Surprising Results.
fBr q. NJ. Grihthl

(By e. NJ. Grifiithl
Il, aotafion and other modern sgs-
MI Il ore concentration are especial
\ ~ smlicable to the sulphide ores OF
Il n M ala Buffalo Hump camp, Ten Mile,
IA other districts of idaho county.
Isese I are tributary to Grangeville.
Recent tests made on the ores of
|hee camps BY well known specialists
n ore concentration gave surprising
nsults The ore from certain and
Tell known property in the Hump
smp and supposed to be one of the
mod difficult ores to handle, being a
! baa ore mixture, produced, under mod
M system of CONCENTRATION, a -concen-
4 trate worth $571.56 in gold and silver,
|xith enough copper in the concen-
|uates to pay all the costs of handling
/ Il present prices, leaving the gold and
( Esger clear profit. The above test was
made on an average low grade ore
4 Ehat would reduce from 80 to /.
The ore from another property of
bis camp under the same treatment
ave concentrate worth $37S9.30, re-
ludng on an average of about 100 to
Ill. s
The above tests were made ON a
strictly base or sulphide ore containing
A % perceptible free gold values.
Higher Results on Ten Mile.
On ores from the Ten Mile district
tested by the same process even high
q results were obtained, reducing on
e Eanayerage Of 100 toll. It is estimated
hat the general run of the ores of
hese two camps are susceptible of a
ley high per cent of concentration,
nnging from 35, rs and 100 to /, and
Elll produce concentrate worth from
wy to $1,000 ton. Under the new
Methods better than 80 per cent ex-
traction Of the values from the mine
run q ore can be made, and at cost
around u ton treatment, with cheap
aectrlc power, which is practically
unlimited with sufficient funds for de-
elOpment, and many small power sites
aR available at the present time
Buffalo Hump Situation.
The Buffalo Hump camp, which
sme INTO prominence in the winter of
loS through the discovery of what is
a'lpWn as the Big Buffalo property,
w the scene of much excitement and
ssaaslly for the first two or three
'aa,s many properties of the camp
sasllg SAID time taking out of and
uVa he oxidized or free gold portions
s. suelr ore shoots many hundreds of
'aousanus OF dollars by the ordinary
II aa'p MIL. The loss at the time i'm
"A salues going over in the shines
~ ~ from other causes is said to have
IN I'M sl'ormous, and it was considered
nv Y close down until more salts
ss.ss giy methods for saving the values
N" su = mad, hence the real cause of
fs.a sleat camp lying dormant for
Y III MIA many years. And, too, many OF
u aMoperties of the camp had got
4 ~ u0mn W. % where the ore changed
Il ~ gs Sase or sulphide and could NOT
Mn ls'slleu a,4a with the ordinary stamT
nj rllnout great loss. though sey.
'elpnent e0n''hueu IN the de
sbnss M oAluized or free-gold one in the
IN Varied In depth from so TO 100
hit aaa a''a there are many properties IN
ha AM =. Today that have not as vel
aurRea ~ portlon OF their ore shoots
q IL ~ ssa.9 out though in many instance,
slrisea sulphlde ore crops on tht
n 'elns Large, Ore Uniform.
lsyas in VEINS Of the district are large
8 fs feat general width of from 10 t,
Il 1be ~ ana north and south strike
actor s,, y 9 rule is of a uniform char
q leenasts tnu retains its values to th.
4 iha nsmas nVraings. | will not mention
Il hIs cam,s ann - the several properties il
3 eonsIdpp. enat have been deyeloped I,
8 Nj thai as apie depth butesuffice it t,
81 4 oFe n.y. "ae property has over 40 fee
Il sl5 nas aa1 Will average from S1O +,
another 'on at a depth of 260 feet
iset of ora = !. I depth of 300 feet has 81
h . Sic 4 'nat will average from 81.
Y iset thar ~yeler Nh, at 200 feet has seye,
lee ton nnl average better than so
q 500 faat aa'otner property has a deptl
sle betsuoss.' ana has a large body q
" yars,al ysl the third and fourth lay
lset that s ,S,,l n width from Is to .,
sssides ! pil Nj average from s7 TO S12
= DE low A,gn a,.a grade streak alongsid,
There asa Potential Producers.
tbs ca,nn numerous other propertie
asias devaIpp,os d ! q lesser proportions no
a'ent but ul;tu n 70 any considerably
,ssala undonh.aatS, da similar showings, tha
'sepnent t'Vsu.o.',edly, with further de
make big producers unde