The Sierra citizen. [volume] (Downieville, Calif.) 1854-185?, 1854-06-17


DR: TASKS REPonr.-We have re.
ceived copy of Dr.. Trask's Report on
the Geology of the Z asst mountains, and
part of the Sierra Nevada, from which we
take few extracts. Speaking Of the Pla-
Ger ranges in the Sierra Nevada, the DR..
says:
From the examinations that were made
upon this ran re. there are abundant evil
denccs that All ancient stream flowed
through this sectionof the country, and in
Il direction parallel with its then existing
m )untlia ril ses: and the extensive mining
)pTtti II; c)lll:tel in tt, southeast
part of Sierra county on this range, has
been the. means of demonstrating this
flct, which had heretofore been strongly
suspected only. The outliers Of its banks
are very definitely ma 'ked throughout the
entire length OF the formation under con
sideraton. and it's former bed filled in ma
ny places with volcanic sand and ashes,
which probably accompanied its displacc-
ment.
In the county Of Sierra, these peculiar
ties are best observed; III the vicinity
and for ten miles west of Downieville, the
Hills are covered with volcanic brecia and
tufa. which may be conveniently studied
between the Negro Tent, and Galloway
Ranch, also on all the hills ana ravnes
surrounding Yumanna (now Forest City,
on Oregon creek. On the creek the tufa-
ceous deposit is found to the depth of sixty
feet.
rh, exact p int from which these i'm
mense quantities Of volcanic materials
were eje:tel is SOMEWHAT obscure yet
there are reasons for the supposition that
they had their origin in the truncated
cones which lie !. few miles to the northeast
ana Of which the Pilot Peak forms enc
Of the principal points or centre of this
rugged AMI foroiiliny district
Tue Goro FIELDS OF THE World
G, i aooulls, to Il greater Or less extent,
in ain 'st every con TRY. 1t has been
foana i'll snail ullatties in Spain. Portu-
gal, Swe,l,a, tae 9 .r.n .lic States, Turkey
an evea in En- slanl: The produce of
tle Russian gold mines is from fifteen to
twenty millions OF d)llars annually. Be-
S les Australia, g,.l is f,ual in China,
NJ ,acea, Japm, Borneo, New Guinea
an! \ Nv Z'alald. 1t has als) been dis
cov-r.J in considerable quantities in and
about tn, Clta liere river, in Lower Can
a la. Tie eastern god region of the Uni
ted States, is considered as beginning in
Virginia; and extending throu IA North
Carolina, a'ony the northern part of South
Carolina, ami thence northwesterly into
Alaoln. term aitin5 in real-ssee. The
d sgin5s are supposed to be pretty well
w,rAel out, alth III "a productive at times
Ii 1873, Si.200O3J was dug from the
gold msiies OF Virginia. The west coast
OF America, both north anu south of the
equator. is p.rlaps the region having the
greatest nunosr of gold deposits. The
precious metal is found in considerable
quantities III all the South American
states. Gold is procured also from war;
Gus parts of Africa, to the amount proba-
by Of 2,3JJ,olJy.ary. 1t is estimated
that the total yield OF gold during the
year 1853 was 2o0,0UOO0O; aud il is sup
posed that the wlole stock of god
and silver bu. iIol now in circulation is
twenty-five hundred millions of dollars. :
CATCHING DGAas.- ine following is
said to be the pan adopted by the