Amarillo daily news. [volume] (Amarillo, Tex.) 19??-current, 1920-08-08
REPORT Of BEXAR
COUNTY MINERA
SURVEY IS MADE
FIIIER'S EARTH DEPOSIT ~
TINT COT NTi ~ MtCH
IMfOKft>tE.

gfsttal iH itH NFNhs
AUSTIN. Aug 1.--E u Scllars. grul. /
ogist IN a.. Bureau 81 Eruumuic Gculp
w aud Technology ~ IA" University
IL Texas recently finished al exhaust.
i've survey uf the mineral resources 81 I
BexaT county. ~ which san Antuui" -
situated. The iull-Is earth deposit "a
that county IN at much Importance. Ia /
"A report that he has Just ~ u,-l b" n"
scrih,u this full-rs earth deposit and
also makes reference to material called
bcntunii- which Is found ln that cuu'i.
~ Tnis repurt says.
"The fullrr's earth deposits uf BDX"r
county are being exploited AT the pres.
cnt time by hut on" iirui. the Mrdin
Fullers Earth company. The deposit
that IN being mined is located nrat the
hcadWatcrs 1T a small stream north IT
Gastroyille road and west uf IN" Cagnor
cross read about H. miles from san IN.
tonic. The plant al which th" earth y,
dried, ground, and prepared Tot mark' Il
IN located in San Aninniu. the crude
earth being hauled from the pit 10y
trucks Ia the pit at the present time
there ia seen AN eNpusui" ui ~ mucii
as 81 feet of workable fullcr's earth.
The uy"fhurdru IL moderate consisting
ui few frei NJ soil and gravel
nt lAIlt'l y fhiin ~ 81 ~ AlHNA ~ ~
or dfah color. becoming lighter culur"d
upon drying Upon fresh fracture, the
clay breaks In very characteristic
manner which suggests III once the g.
scmhlancr tn the divisions of shells ui
ammunuids The clay b. seemingly en-
tircly free from sand. and contains
little ID any CalVareuus material Nh'n
placed IN water, ur upon long exposure,
the clay stakes into very itncly'diNid' u
material The soils derived from II ars
sticky, and with the inclusion ut 90.
gam, matter Lccom" dark Ia color.
"The fdll-r's earth beds themselves
contain no FOSSILS - Ear as observed
| Their relation tu the uvcilyiug FOSSIL
| bearing beds Indicates. however, TINT
| they arp either ul thu Navarro az THv.
| lur formations uf the upper crctnccuus.
| From the record uf the well drilled at
| the pit Of the place of the fullvr's earth
| bed appears Ia be- about 600 feet above
| the base II the upper cr,t1ccous uf
this interval. the Eaglefurd and Austin
| formations occupy between 1913 and 400
| feet While the records are less cNa I
/ than could be desired. IN. full-r's earth
/ he'd 90 this pi; q placed Professionally
| with the TAYLOR formation probably
| near its top In thc cut at the entrance
to the plant short distance northeast
of thu pit aud also on the hills near the
pit. arr found exposures uf tn" yellow
clay containing an abundance Of the
oyster ENaEy1 ocstata. These cNpus.
urrs living at slightly higher level
probably indicate the Navarro forint
ton.
THE fullcr's earth produced Icy tbs
company II crushed into pieces ~ mol
crate size. not exceeding two ~ three
inches la diameter and ~ then passed
through rotating drying cylinder I,
remove the excess II moisture til,
clay II then ground and sacked Tor MAJ
ket a IN said 10 D.. chiefly used IN 'lar
flying vegetable oils including cotton
seed Oh. fOr which purpus' IA. prcsei
practice H. tn grind the earth to pass a
2O0. mesh sieve. II Is used also In clar'
flying lard Aside from the finely
ground earth. part OF IN" product u
ground to mesh uf H. 32G0. the cariil
of this grade being used Tor mineral
| oils
In addition o. the fullcr's earth there
IN found in this county also IN the M
per crctaceous formations IN" material
known IA hentonitc. The bcntOnitr de-
pu~iis ~ this county have been desrrlb
cd In a circular previously issued hy
Ithe Bureau of Economic Geology. whio