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Page: of 16

Alleghany
district was disby miners working
The Alleghany
covered in 1853
ap the Middle and North Forks of
the Yuba ftom Grass Valley and Nevada City. By the region had
become noted the California
camps for its rich placers and a few
years later hydraulic mining ~ was
started on the San Juan and North
Bloomfield ridges.
From these exceedingly rich placers and hydraulic diggings a flood
ef gold continued to pour into the
marts of the world up to the year
é,
i
.
1855
amons
ppb Woe eh se RURAL NP ORE eR III EMPL
1883 when the Sawyer decree ‘was
made against hydraulic mining.
From this golden circle of a few
square miles nearly $§200,000,000 haa
‘been unearthed and as the quartz
“veins of the Grass Valley and Nevada City districts had proved’ profitable many placer miners turned
their attention to the numerous outeroppings of white quartz to be seen
on the hillsides around Alleghany
and the Middle Yuba. The first ledge
to be worked extensively was on the
Plumbago . across the river
from the German Bar. About the
same time several surface ‘‘pockets’’
were found on the Gold Canyon and
JYerman Bar running from a few
hundred to several thousands of dollars.
The ore was free milling, mining
was comparatively simple (most of
the work being done by tunnels. driven ahead on the veins)-and thus encouraged by these surface finds sevclaims
eral properties in the vicinity. rapidly became producing mines.
GERMAN BAR STRIKE
The first big enrichment of the
district was that opened up by Murphy Blackwell the German
Bar when picture was found
about 270 feet in on the tunnel now
known as No. 4. From a stope 30 by
50 feet over $75,000 was taken out
and pounded up hand mortars,
the only method they had of extracting the gold. Big strikes have. been
made on Plumbago, Gold Canyon, Irelan and Independence proj
erties, two enrichments of $40,000
and $50,000 were discovered in the
frelan, one of $250,000 in the Gold
Canyon and several running _from
$50,000 were discovered in the Irelan, one of $250,000 in the Gold
Canyon and several running from
and in
ore
hia anim vive seitn gman tn in
the
go.
SLOW DEVELOPMENT
During this period and up to 1907
much additional work had been done
MOTHER’S DAY
Sunday, May 12th
Choose one of our beautiful
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you are SURE to please her.
si iil earnieaninnytiie Pinion
Gale's Supreme Chocolates
in two special
$1.50 AND $1.00
Mothers
boxes—
Day Franied Mottoes—
35° AND 50°
R. E. Harris
PHONE 100
ave High Recor
Of Production
———
Mines
any district and a few surface poc.
kets found but the owners were in}
. the main poor miners and outside.
. capital, on account of the isolation .
. of thig section hard to attract. But:
in the above memorable year Mr. n.
L. Johnson, who had taken what he}
called a gamble on the Tightner,
$12,000, after drifting 525 feet on}
the upper tunnel, struek ‘‘bonanza’’!
ore and in a few weeks over $300,-.
000 was extracted. As the ore body
continued to go down lower tunnels
were driven in and this property
continued to produce up to a total
of $7,000,000 until acquired by the
adjoining Sixteen-to-One.
After this discovery there was renewed activity in the surrounding
properties and within. a short time
strikes were made in the Rainbow,
Red Star, Yellow Jacket and Oriental, running from afew thousands to
$740,000 taken out in the last named property in-a chamber 14 by 22
feet. In 1909 the first of the phenominally rich ore shoots was found in
the 16 to 1 by Manager E. H. Wilson. Then came the finds in the
Morning Glory, Twenty One, El Dorado and irew strikes in the Gold
Cariyon and Plumbago.
The Sixteen-to-One has _ proven
with the passing of the years one of
the most sensational mines in. the
{history of mining in the = United
$50,000 to $175,000 in the Plumba.
in the northern part of, the Allegh.
States. Chambers of this ‘rich ‘‘bonanza”’ ore continue to be found on
the lower levels, which reach a depth
of 1800 feet, the last one giving in
160 pounds of ore over $26,000.
The sensational character of these
‘nrichments anywhere else in the
world would have caused a stampede long ago. During the last few
years, due to improved,highway {facilities and the addition power
by the P. G. & E. line, new capital
has been efttering the district and
new properties are continually being
opened up.
ORE SHOOTS
\lleghany
of
mines are noted = for
bonanza deposits of gold and many
stories have been told of great. fortunes extracted from small lenses
of ore. The gold appears in a milkywhite quartz and arseno-pyrites are
not as frequent in the mines of
Nevada county and on both sides of+
the Middle Yuba where the Plum-!
bago, Gold Canyon and German Bar
mines are located.
The cross fissures, which appear}
. } to have influenced mineralization in.
the Plumbago and. German Bar. are}
as
vaults found in the Tightner and the!
Sixtcen-.o-One,
these
L.imes, appearing at irregular inter-.
the ore, in
vals in enrichments which generally}
;
. have a northerly trend downward.
The extreme the
sold in the Alleghany mines is a
‘feature which has lead to their being called pocket mines. This is not
a fair description as
localization of
“pocket”’ in
Miners’ usage refers to
gold found outside any ‘well-defined
vein. The ore in the shoots in such
properties are the 16 to 1, Tightner,
German, Plumbago, etc., carries the
values.of $2.00 to $35.00 a ton. Concentrates from the vein wutside the
ore shoots run from $80,00 to $450.00 a ton, forming about one percent
to 2% percent. When
which are
California
enrichpeculiarity of
the.district, are found they may carry
from $20.00 to $50.00 pound, in
goid, in the most part free, running
these
ments, a
a
up to as high as $40,000 to $100,000 a ton.
Some of these rich masses, as in
no guide whatever to the treasure }
The Gold Canyon
adjacent to almost a barren quartz .
. into the vein quartz within distances
of a few feet. The amount of ore in
a single shoot may vary from a few
pounds to several tons.
The nearness to an enrichment in
the veins of the district can generally told by the encountering of
‘“‘bluejay’’ or mariposite or a ‘“thard
cabby hanging,’’ rolls in the foot and
hanging walls, sharp changes in the
dip and strike, banding of the quartz
and intersecting veinlets.
Arsenopyrite is an effective precipitant of gold as shown by Palmer
and Bastian. The supposition is that
the later solutions, travelling thru
the crushed quartz of the vein, deposited their gold content when they
reached the arsenopyrite and to re:
place a portion of the arsenopyrite
and the neighboring quartz. In the
quartz near the arsenopyrite, gold
and such sulphides as galena, tetrahedrite and‘spalerite were deposited
in small fissures or ag replacements
of the quartz.
The formation of the ore shoots
are based on two conditions—first.
those which determine the formation
of masses of coarsely crystalline arsenopyrite in the veins and, secondbe
ly-those which determine the
paths followed by later solutions
which carried the greater part of
the gold. ©
The gold occurs in the arsenopyrite replacement but also in
solid solution of the sulphide. The
wall rock arsenopyrite and the fine
arsenopyrite found at a distance
from the shoots, contain but little
gold.
as a
ECONOMIC GEOLOGY
The width of the veins in the Alleghany district varies from a foot
to eight and ten feet swelling and
pinching in an extraordinary manner. The strike and dip vary in different veins but there are several
parallel fissures——these being northwest-southeast._
The gold is seldom distributed throughout the quartz as it
more or less irreguequally
concentrates in
lar bodies or ore shoots, so that when
ore body is exhausted exploration of the vein frequently discloses
one
another.
These so-called ‘‘pockets” contain
in few tons of from .several
thousand up to seven hundred and
dollars, the biggest
in the district.
a ore
forty thousand
taken out
The fallacy of the early day miners that these enrichments were
found only near the surface
the outcropping ‘has been disproved
by the deep workings up to 1800
feet in the Sixteen-to-One, Tightner
and Plumbago, different bonanza dehaving been encountered
depth the above
ever
to
be of
posits
each
on
successive of
mines.
These
than
quartz veins are younger
any member the bedrock
series of the granites, but they antedate the Neocene auriferous gravels
of the district, being formed probably in the early Cretaceous.
of
the amphibolite and serpentine carimportant series of similar
veins in strike and dip and general
characteristics. :
ry an
property has
vein which runs for 1% miles northwest, cuts across the ‘strike of
amphibolites but disappears after it
enters the serpentine. The Rainbow
vein ut Chipps flat is similar
character to.the Plumbago vein.
Across from the Gold Canyon is the
rerman Bar vein which can be traced 4500 feet .in
tion of the Twin Sisters Mine. West
the Oriental vein,
and south and east is the Tightner,
Sixteen-to-One and El Dorado
SIXTEEN-TO-ONE MINE
Charles Spillman, one of the West's
noted mining authorities says of the
a
in
for over the direcof Alleghany is
vein.
Sixteen-to-One, , “‘probably no quartz
mine in California has achieved in a
few short years the renown of the
Sixteen-to-One. , The fame this
due to the wonderful rich
of
mine is
the Sixteen to One, have been tound. shoots or lenses of ore that have
. been found. Tales have been told of
CONGRATULATIONS jj
TOALLEGHANY ONMAYID
Géod Food and Drinks
WHEN IN GRASS VALLEY MAKE YOUR HEADQUARTERS AT
THE OWL TAVERN
134 MILL STREET
“You Can’t Better the Best”
Compliments of the
Oliver Brothers
% ‘ Cae
round of shots; of great slabs of gold
“held together by quartz’; of drifts
so rich that their treasure is protected by steel doors set in concrete
bulkheads. A trip through the mine .
—-substantiated the tales of bon-.
anza ore-shoots and confirmed : the
belief that, size considered, the mine
has well earned the title of ‘‘the!
richest gold. mine in the world.’’
Few gold mines in California have
a more interesting history than the
original Sixteen-to-One. Thomas J.
Bradbury and brother, Theo. H.
“Cap,’’ who located the original Sixteen-to-One, were born on the dome
shaped pine-clad hill of the mine and
spent their lives there, little thinking that they were living on top of
one of the great bonanzas of: the
district. They located the claims in
land visited in French Corral Sunday. They plan to live in Downieville.
W. E. White, expert ladies’ hair
cutter, formerly of Hollywood, cuts
any style you may desire at Ains-;
r Keysport,
Sa PEK ng his pesiese ee 235 ici aah SORE:
i ete peer 3 sates Rea: 2 Seat: je eee 5 is age
me e . Sn
PAGE EIGHT THE:NEVADA CITY NUGGET FRIDAY, MAY 10, 1935.
= but more commonly thay. guide off. fortunes extracted from a singie. Hardy Maddox and bride, of Oak-. ' Dr. Salvatore Schiro and family of San Francisco are coming up in a day
or so to spend two weeks at Mcup on the Tahoe Ukiat
Highway, as the guests. of Attorney
and Mrs. H. E. MeKee.
Mrs. a R. Robins and son, Frank
worth’s Barber and. Beauty Shop.; Grady, were Sacramento visitors yesPhone 457-J. Adv. 5-1 0,2te. terday.
TE
nae —— — Te merge eee aE ay ESR TT 71
/
1896 and named them for Bryan and
bimetalism.
After several years of slow working the property was leased by them
to E. H. Wilson, who only continued the drift 30 feet’ before striking.
the first big ‘‘chimney”’ of rich ore.
Stories of the fabulous fortune Wilson took-out in a few feet run as
high as $500,000, the Bradburys
getting $80,000 royalty.
‘The Sixteen-to-One quartz mine at
Alleghany is considered the richest}
mine of its kind in the world and
employes between 90 and 100 men.
the year round in mining; develop-,
ing and milling. A ball mill, carry.
ing steel balls weighing about 16!
pounds each, crushes this hard ore;
for further treatment in different .
parts of the large mill building. Clay-.
.
.
1
ton A. Bennett is! in charge of the:
property.
Since the bringing of electricity .
nto Alleghany the mine has been]
equipped to run by electrical power. .
Experienced mine operators bought
the property and up to 1923 the pro-.
duction was given by the secretary j
of ‘the company as “less than $2,000,000. Since then, account of .
the notoriety of the sensational finds
of enrichments in the vein, no productions, have’been given out.
on
ED C. JACOBS HOME ROBBED
Ed C. Jacobs, superintendent of
the Empress mine, who has a home
. week.
On both sides ofthe Middle Yuba
, the)
in Nevada City, was robbed of clothjing and personal effects early this
It is alleged Lee Allen, who/.
1made his home in the Valley Hotel .
in Grass Valley and who had been
befriended by Mr. Jacobs, was the
party who entered the home and rob.
‘bed it. /
Sheriff Carl Tobiassen and deputies have been working on the case
pane have traced Allen’s car to Visalia, Tulare county, but have not!
located Allen as yet.
Harry Davey, Jr., son of Mr. and!
Mrs. Harry Davey of this city, is to
return home tomorrow after successfully passing his sophomore year
at U. C—. Berkeley.
Mr. and Mrs. Charles Marsh Brown
and sons were business
Sacramento Thursday.
visitors in
SHEETS
Seed
(> ARB AR ERR RARER
=
bab
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Usual Prices.
Proud Of in Years to Come.
é— "i
MODEL No. SSL6
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