👁 Image
| | Report (issue) |
| Minerals of Colorado:
A 100- Year Record
By EDWIN B. ECKEL
GEOLOGICAL
SURVEY
BULLETIN
1 1 14
A...knowledge____________________________________
Future of Colorado mineralogy______________________________________...mineral localities and metallic mineral
deposits of Colorado ________________________________ In pocket
III...mineral localities and metallic mineral deposits
of Colorado, has not been included in this reprint. Many of...especially Fischer and others, 1946).
MINERALS OF COLORADO: A 100-YEAR RECORD
By EDWIN B. EcKEL
ABSTRACT |
👁 Image
| | Book |
| MINES
AND MINERALS
OF THE
GREAT AMERICAN RIFT
(COLORADO-NEW MEXICO)
Sine
—_—< ¢
te
om
At
_SHT 40...MINES
AND MINERALS
OF THE
GREAT AMERICAN RIFT
(COLORADO-NEW MEXICO)
Richard Walker Holmes and
Marrianna...Mines and minerals of the Great American Rift
(Colorado-New Mexico).
Bibliography: p.
Includes index...index.
1. Mines and mineral resources—Colorado.
2. Mines and mineral resources—New Mexico.
I. Kennedy, Marrianna...minerals of the Great American Rift in New Mexico and Colorado. Great
American Rift is the name we use for a |
👁 Image
| | Report (issue) |
| ......................
1. Eocks from Aroostook County I.............................
19
19
2. Litchfieldite...56
1. Elliott County dike........................................
56
2. Crittenden County dike..........................................
134
135
137
Colorado ......................... ^.....................................................
153
154
6. Tenmile district'............................................................................
3. Colfax County......."....................................... |
👁 Image
| | Report (issue) |
| ......................
1. Rocks from Aroostook County..... ^..................'...........
2. Miscellaneous...1. Elliott County dike...............................................
2. Crittenden County dike......................
86
87
90
90
92
93
93
94
95
95
Colorado...........................................................................................
6. Tenmile district.............................................................................
3. Colfax County................ I............................. |
👁 Image
| | Report (issue) |
| TheElliott County dike ......................................
92
2. The Crittenden County dike.........Mountains..............................-------Colorado ................................................Pago.
Igneous and crystalline rocks Continued.
Colorado Continued.
8. The AVest Elk Mountains............ f ..........................
198
3. Plumas County................................,,.............................................. . 204
5. Sierra County............................................... |
👁 Image
| | Report (issue) |
| crystalline rocks
Maine
1. Rocks from Aroostook 'County
2. Miscellaneous rocks5
v
New Hampshire
5
Vermont...Carolina
Georgia
Kentucky
1.. Elliott County dike
2. Crittenden County dike
Tennessee
Missouri
Arkansas
Oklahoma... Idaho Springs
5
127
7. Breckenridge
5
128
8. Tenmile district
5
129
9. Leadville region
5
130
10. Elk...Analyses of igneous and crystalline rocks-Continued.
Colorado-Continued.5
18. San Cristobal quadrangle 5
19...Grande Canyon 5
2. Mount Taylor region 5
3. Colfax County
4. Miscellaneous rocks
5
Arizona
1. Globe district |
👁 Image
| | Journal (issue) |
| from the State of Washington and two teams from
Colorado.
Montana sent the Butte district team,
the membership...to other low-density forms of silica known
as tridymite and cristobalite was thus insured, with
the consequence...another period in the
history of the State of Colorado, with silver mining
predominant. It was about...that J. George
Leyner, a native of Colorado, born in Boulder
County, opened the shop shown in Fig. 5,...was the start of the gold fever in
the State of Colorado.
Event succeeded event rapidly until 1879, when |
👁 Image
| | Report (issue) |
| Paris sh., Fort Smith fm., and Spadra sh. of that area, all of which
names were discarded, as was McAlester...sandstone.
Permian : Central northern Oklahoma (Bay County).
C. N. Gould, 1900 (Kans. Univ. Quart., vol. 9...dolomite.
Permian : Central northern Texas (Fisher County).
M. G. Cheney, 1929 (Univ. Tex. Bull. 2913, p...
Pennsylvanian : Northwestern Colorado (northern part of Eagle County).
R. Roth, 1930 (A. A. P. G. Bull...Upper Hartshorne
coal. Thickness in Muskogee-Porum area 144+ ft. Basal memb. of McAlester sh.
Is overlain |
👁 Image
| | Report (issue) |
| Martha S. Toulmin,
and Druid Wilson.
The geographic area covered includes the United States, its possessions...administered by the United States. This geographic
area is much smaller than that for the Wiln1arth Lexicon...3
and Central America. This smaller ge_ographic area was selected
primarily because the International...Genevieve
Limestone in Blue River Group" in another area. Finally, the name
in boldface indicates that the...Bull. 1060-D, p. 193, 252-253, pl. 7. In Nemaha County, Kans., member
is basal unit of Howard limestone |
👁 Image
| | Report (issue) |
| LEADVILLE
U
S.G-EOLOCTICALSURVEY
HEAD OF IOWA GULCH
PLA'I f
I
/
IJ-.gDEPARTMENT
.
OF THE IN'rER...GEOLOGY
A :\ D
MINING I NDUST RY
F
LEADVILLE, COLORADO
\VITH
TLAS
BY
,A I
EL FRANKL!
W
~ Il\10
...the Geology and Mining Industry of Leadville, Colorado.
To yourself, and to the Hon. Clarence King, under...••.. ...• . . ..•.•. .•.••.
Ro ky Mountain in Colorado . . . . . . . . . . . . . . . . . .• . .. . ............. . ..... . ..
·corresponding beds in Colorado Rang~.... . . . . . . . . . . .. .. . . .. .. |
👁 Image
| | Report (issue) |
| or 13.9
ab 3.7
an 10.8
C 2.6
by 5.5
Garrarus, County .
Waterford, Ireland.
Jones and Rob- F. W. C....trace
hv 1.4
mt 0. S
Near Blowing Rock,
Watauga County,
North Carolina.
W. F. Hillebrand.
A. Keith,... 2
an 2.5
C 2.3
hy 0.6
mt 0.5
Silver Cliff, Colorado.
L. G. Eakins.
W. Cross,
17A.R.U.S.G.S.,
II...1.7
mt 0.2
Currant Creek Canyon, Pike's Peak,
Colorado.
W. F. Hillebrand.
E. B. Mathews,
B. U. S. G...hv 0.6
mt 0. 5
hml.l
Buena Vista Peak,
Amador County,
California.
W. F. Hillebrand.
H. W. Turner, |
👁 Image
| | Report (issue) |
| Montana, Yellowstone National Park, Wyoming, Idaho, Colorado, Utah, New
Mexico, Arizona.
Pacific Coast:
Alaska........ No. 67, 1914 ........... Cal. M. Bm. B.
Colorado Geological Survey, Bulletin ....................(4), III, 1913 ......... ·.. Pr. Cal. Ac. Sc.
Colorado Scientific Society, Proceedings ................an l.G7
c 0.20
Mount Orient,
Pelham, Rampshire County,
Massachusetts.
E. T. Allen.
B. K. Emerson,
A...ab 2.10 il 0.15
c ().53
Bully Hill mine,
Shasta County,
California.
E. T. Allen.
J. S. Diller,
U. S |