Albuquerque weekly citizen. (Albuquerque, N.M.) 1891-19??, 1901-07-27
IMPORTANT DOCUMENT.
Prof. c, [. Herrick on the Geologi-
cal Formation Of the Southwest.
READ At MINING CONGRESS.

hthU NJ WlNlNd IoNuhtSa'
a very interesting paper ON certain
geological furmnt. .ous in New Mexico
by Professor & T.. ucrrick. was read
at the session at the International
Mining congress at Boise Idaho ltI
sums up tho result uf a recent geo
logical survey bv the university of
New Mexico iu this city. and The
citizen repubiisdcs the following ca
tracts from it
'Ono Of the most interesting thco
rctiCal results uf the HtratigraphiCal
work uf iho New Mexico University
geological survey has boon in the di
rcctiun Of recognizing the suhdivis
ions at Am rNtpuBiyc formation that
characteristic ut the southwest itl
has hoon quite generally customary
60 lump the great series uf red and
grocnish saudatuuos following the
carhoniforous as iura trasaic" nI
spite Of tho fact that humorous sug
gDEtIOus ~ the presence uf the rrr
milan formation have been presented
In central aud northern Mexico
tho great massive llmcatnnrH Of the
Carhuniforous show urudations ni
fauna into what has been called the
permo-carhOniforuus and the pres
CnCc uf the characteristic FOSSILS tes
pccially bryogua. FusuiiuH ruhusta
dcrkciia. CtCD makes this iduuunCB
tinn certain but tlil recently mo- char
artcrlstir FOSSILS have bpvn found
either in tho cap of sandstone which
We have called che Mangnuo sandstone
ur uuaitgita or Boa the red bDdH above
u WIS found possible Co divide the
Hrrics into three approximate. equal
divisions un lthulpEiral basis AMI
a wa. suspected that the loVor eft
these. containing q considerable mum
hor of lime strata iutprhcddcd with
marty Hhalc and sandstone aud cap
ped hy g}psiforDuE shalc which at
times supports enormous bcds ot gyp
sum might Dee equivalent tO the miss.
iug pcrman. Full confirmation oi
this suspicion was secured when w'
found near 1ularosa. in Oteru county
O. magnificent soriua of characteristic
prrminn FOSSILS. Another locality
east Uf Albuquerque has also yielded
couarmatDry evidence As vet mo-
palcuntolugicai method has boon
found for discrimination between the
Iurassic and rH8wic though 10
seems probable shat the mi sins cyi.
dencc win soon he forthcoming prgc
tcally the red hOds are among th"
most important formations in the ter.
r.tury as they y.Dli copper sypsuu,
salt and petroleum
COPPER
"a hardly seems too much tu say
that the rcd ncls ave The original
source of uoarly all tho copper OF the
territory This statement may seem
somewhat sweeping and 10 must hc
confessed that q rests upon "a ih,n
rptical basis. First as q direct source
Tho primitive condition ut the copper
ie in tho form of aulphidcH and oNid 's
rpplhcing vegetable matter tu tht
shalos and sandstuucs of tho porminu
and mmt-iassic This condition is
beautifully displayed in Mora county
Tor example. where for many m,lc
the beds of pcrmlaa and Jura triusfi'
are tilted tu n prrpcndicular pu iiiuu
west of the Mora anticlinp. which if
itself chiefly formed of trDtaCyuu.
strata Iu the carhonAcDouH shalr Us
ing between beds OF guartZIto sand
stones nudulos of copper ore ar'
found in such abundance as tu have
luur served as source lor copper
In many nsps the organic nature u
tho original mass is perfectly carbon
tzcd ana pallN '"p'ln'u'
,urrpnru Df tree copper ns 70 ia uf
ualy called hy miners. is guu'uln
over "a large part of tbr territory Un
fortunately m this widely diss'miu
atcd state the copper is not often ful
dciruty frrrrsutrd tn bee pruutnhl
worked except Perhaps uu amnI
scale. The secondary accumulation
of roppyY arc iu reality much NOR
important I'I ~ Olf ''''"'" '"'
the creator pnI INnh 'i ih' '"Pp, "''
'i Wiihiu ld' lrlIl"'F ',''''
from the mat ilAl pre- 'p''al," '' :"
ruuir Wnli ' 100 'h'H' r'll ll'''"'H'
strata The I'lmni source ol 'h' u'''
rDwa'nf iu amy case uh'Np'W"'I.
N.F iui' unF ''l''l son '.
the r"n"hiN "o' NUl "",l"h ' '"l
per ma D' ..'" ln 'N' ''' Nu.', =, !,
tahnllo %. F'n 'l'"''u'' u.'"''"', /,
or iul t".' i"'''' q" H"'
mountain lnnH Wh'i' 'h' '"n'"'
ut the un' 'Wp"-'i .,I"''H'" '",
upon ih' th.i' ]. ".'' .'. y. ." u.
san Ahlf'as I.f 'Ahinpl', 'N' "
thickness ui ia' 'hihnhu 'l"uN HH
unrt rf the i'tWlah it l""hu W lU
'oufurmnHN ON 'h' tleh''', ""' wa
ing hNsui 'N''h1 'nI""h" ''
tive thickness iu lh' E''U'm,' m ',''',''' ,''
These hs.lrea nave U,'h h'',u ''i -.
above ana rarely 'N''h. W "Nl w
tancr into ih' HlhhH', ~ tn' wv
contact rs h'n' "H'l' N"u
ings FROM above nave l''ln''
lusinnun h'I "hH WI.
rurca 'Ntrhd lo lh'h p'U "' l,ul, ~ ~
proguai'I ''hs'"U'' ' ''''' ~ 't'
There i- copper pi','I'',",,''. ,'..' ~ ',,
grruY hero IUt the extent ul tho ri
sa @"' sa'%s .s'@S.Ts Of as e dsPq.Sa %g' @ $ g S1 :,