Douglas Johnson (Former Employee)
Science and Products
Filter Total Items: 318
Uranophane at Silver Cliff mine, Lusk, Wyoming Uranophane at Silver Cliff mine, Lusk, Wyoming
The uranium deposit at the Silver Cliff mine near Lusk, Wyo., consists primarily of uranophane which occurs as fracture fillings and small replacement pockets in faulted and fractured calcareous sandstone of Cambrian (?) age. The country rock in the vicinity of the mine is schist of pre-Cambrian age intruded by pegmatite dikes and is unconformably overlain by almost horizontal sandstone...
Authors
Verl R. Wilmarth, Douglas H. Johnson
Preliminary reconnaissance survey for thorium, uranium, and rare-earth oxides, Bear Lodge Mountains, Crook County, Wyoming Preliminary reconnaissance survey for thorium, uranium, and rare-earth oxides, Bear Lodge Mountains, Crook County, Wyoming
An area about 6 miles north of Sundance, in the Bear Lodge Mountains, in Crook County, Wyo., was examined during August 1950 for thorium, uranium, and rare-earth oxides and samples were collected. Uranium is known to occur in fluorite veins and iron-manganese veins and in the igneous rocks of Tertiary age that compose the core of the Bear Lodge Mountains. The uranium content of the...
Authors
V.R. Wilmarth, Douglas H. Johnson
Preliminary geologic map of the Boot Mesa quadrangle, Arizona Preliminary geologic map of the Boot Mesa quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, H.E. Maide, R.E. Thaden, E. J. McKay, Douglas H. Johnson, R.J. Claus
Preliminary geologic map of the Agathla Peak quadrangle, Arizona Preliminary geologic map of the Agathla Peak quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, J. D. Sears, E. J. McKay, Douglas H. Johnson, T.L. Finnell
Preliminary geologic map of the Garnet Ridge quadrangle, Arizona Preliminary geologic map of the Garnet Ridge quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, R.E. Thaden, H.E. Malde, E. J. McKay, Douglas H. Johnson, T. E. Mullens, T.L. Finnell, R.J. Claus
Relation of the law to underground waters Relation of the law to underground waters
No abstract available.
Authors
Douglas Wilson Johnson
Science and Products
Filter Total Items: 318
Uranophane at Silver Cliff mine, Lusk, Wyoming Uranophane at Silver Cliff mine, Lusk, Wyoming
The uranium deposit at the Silver Cliff mine near Lusk, Wyo., consists primarily of uranophane which occurs as fracture fillings and small replacement pockets in faulted and fractured calcareous sandstone of Cambrian (?) age. The country rock in the vicinity of the mine is schist of pre-Cambrian age intruded by pegmatite dikes and is unconformably overlain by almost horizontal sandstone...
Authors
Verl R. Wilmarth, Douglas H. Johnson
Preliminary reconnaissance survey for thorium, uranium, and rare-earth oxides, Bear Lodge Mountains, Crook County, Wyoming Preliminary reconnaissance survey for thorium, uranium, and rare-earth oxides, Bear Lodge Mountains, Crook County, Wyoming
An area about 6 miles north of Sundance, in the Bear Lodge Mountains, in Crook County, Wyo., was examined during August 1950 for thorium, uranium, and rare-earth oxides and samples were collected. Uranium is known to occur in fluorite veins and iron-manganese veins and in the igneous rocks of Tertiary age that compose the core of the Bear Lodge Mountains. The uranium content of the...
Authors
V.R. Wilmarth, Douglas H. Johnson
Preliminary geologic map of the Boot Mesa quadrangle, Arizona Preliminary geologic map of the Boot Mesa quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, H.E. Maide, R.E. Thaden, E. J. McKay, Douglas H. Johnson, R.J. Claus
Preliminary geologic map of the Agathla Peak quadrangle, Arizona Preliminary geologic map of the Agathla Peak quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, J. D. Sears, E. J. McKay, Douglas H. Johnson, T.L. Finnell
Preliminary geologic map of the Garnet Ridge quadrangle, Arizona Preliminary geologic map of the Garnet Ridge quadrangle, Arizona
No abstract available.
Authors
I. J. Witkind, R.E. Thaden, H.E. Malde, E. J. McKay, Douglas H. Johnson, T. E. Mullens, T.L. Finnell, R.J. Claus
Relation of the law to underground waters Relation of the law to underground waters
No abstract available.
Authors
Douglas Wilson Johnson