White Pine news. [volume] (East Ely, Nev.) 1920-1923, 1921-04-24

erous age in the Ely district Ely for
mation) the same limestone that is
so well exposed between the eastern
rim of Illipah basin as far east as
Jake's valley.
Structure-The structure of Illipah
basin Is somewhat complicated by O
series OF parallel faults along the di-
rection OF strike, north and south, par
alleling In a general way the trend of
the ridges bounding the basin. Both
In It's northerly and southerly extrem.
tiles east-west faulting Is thought to
have taken place. In the northern
Part, especially in the northeastern
corner OF township Is north, range
5S east. an east-west fault was OBJ.
served but has not been designated
on Plate |. on ccoun of its exact po-
sition being unknown. This latter
displacement is not considered to be
of great extent. There is some un.
certainty of east-west faulting in the
southern part, however. the strike
fault appearing to have become great.
CT I'm its displacement as it nears Cot
tonwood springs.
The main fault trending through
and neal the wells i'm Illipah basin
which is the result of a buckled
toyerturned) or collapsed anticline
is well exhibited in the attitude OF
the rocks III section Is. township II
north, range SO east. On account OF
being overturned the Illipah basin
anticline has a hade which dips per
eeptibly to the east. The block fault.
ing suspected in the narrow valley
lust west of Illipah basin is some.
what obscure, but the great displace.
ment is apparent by the finding of The
Illipah sandstone high up on the pass
on the DAD to Hamilton with a west.
erly DIP.
Two minor faults. probably les:
than but not more than one mile
apart, were observed trending nortf
and south just east of the asst ridge
of the Illipah basin. These latter
faults do not exhibit any great verti
cal displacement and ii is consequent
" thought that these faults soon die
out in both their northward anC
southwark extension. However, greaI
compressive forces shown in the rock.
here acted subsequently to the fault
ing, which phenomena was probabl,
responsible for the overturned ant
faulted anticline OF the Illipah basir
proper.
Oil Possibilities-Since only thu
Carboniferous and Devonian systems
are involved, the question of petrole
UNI possibilities is confined solely II
these Paleozoic rocks. II would b,
we'll. therefore, to know under wha
conditions the Devonian and carlo
niferous systems have contributed. |
any. to the worlds supply of oil
After this question has been answered
and ii is found that the Illipah BASH
region does contain petroliferoui
rocks, another arises as TO what de
gree regional metamorphism has ad
vanced. if any and its effect OF thu
transference of kerogen. to petroleum
(distillation Of the shalesl and thu
retention OF the resultant oil and gas
In he United States oil has beer
found in rocks ranging in age from
Ordiyician to recent. CONSIDERABLE
oil is being recovered today from tn
Devonian and carboniferous rocks
but in these instances the geologi
structure is invariably simple. exhib
iting low dip angles and gentle dom
ing and folding. In Ohio and Indians
the principal oil producing rocks ar
; Paleozoic. the big Injun" sand an,