Publications by Schofield, D.A.
| Title | Publication Year | Abstract | Author | Series | Publisher | |
|---|---|---|---|---|---|---|
|
Potential low-grade iron ore and hydraulic-fracturing sand in Cambrian sandstones, northwestern Llano region, Texas | 1964 | The red upper unit of the Hickory Sandstone is a hematitic and goethitic sandstone containing a large reserve of potential low-grade iron ore. |
Barnes, V.E., Schofield, D.A. | Report of Investigations | Bureau of Economic Geology |
|
Limestone and dolomite resources, Lower Cretaceous rocks, Texas | 1966 | Limestone is one of the most important nonfuel mineral resources in Texas. Annual production exceeds $30 million; value added in the manufacture of such products as cement and lime amounts to about $100 million annually. |
Rodda, P.U., Fisher, W.L., Payne, W.R., Schofield, D.A. | Report of Investigations | Bureau of Economic Geology |