Geological Survey Bulletin 1161-D Geologic Reconnaisance of the Antelope-Ashwood Area, North-Central Oregon

Arnold, C. A., 1952, Fossil Osmundaceae from the Eocene of Oregon: Paleontographica, Stuttgart, v. 92, pt. B, p. 63-78.

Bowen, N. L., and Tuttle, O. F., 1950, The system NaAlSi₃O₈—KAlSi₃O₈—H₂O: Jour. Geology, v. 58, p. 489-511.

Brown, R. W., 1957, Plantlike features in thunder-eggs and geodes: Smithsonian Inst. Ann. Rept. 1956, p. 329-339.

Calkins, F. C., 1902, A contribution to the petrography of the John Day Basin, Oregon: California Univ., Dept. Geology Bull., v. 3, p. 109-172.

Chaney, R. W., 1944, The Dalles flora, [Oreg.], Chap. 11 of Chaney, R. W., ed., Pliocene floras of California and Oregon: Carnegie Inst. Washington, Pub. 553, Contr. Paleont., p. 285-321.

Dake, H. C., 1938, The gem minerals of Oregon: Oregon Dept. Geology and Mineral Resources Bull. 7, 16 p.

Donnay, Gabrielle, and Donnay, J. D. H., 1952, The symmetry change in the high-temperature alkali-feldspar series: Am. Jour. Sci., Bowen Volume, pt. 1, p. 115-132.

Downs, Theodore, 1956, The Marshall fauna from the Miocene of Oregon: California Univ. Dept. Geol. Sci. Bull., v. 31, p. 199-354.

Fisher, R. V., and Wilcox, R. E., 1960, The John Day Formation in the Monument quadrangle, Oregon, in Short papers in the geological sciences: U.S. Geol. Survey Prof. Paper 400-B, p. B302-B304.

Hay, R. L., 1962a, Origin and diagenetic alteration of the lower part of the John Day Formation near Mitchell, Oregon, in Petrologic studies: Geol. Soc. America, Buddington Volume, p. 191-216.

Hay, R. L., 1962b, Soda-rich sanidine of pyroclastic origin from the John Day Formation of Oregon: Am. Mineralogist, v. 47, p. 968-971.

______ 1963, Stratigraphy and zeolitic diagenesis of the John Day Formation of Oregon: California Univ., Dept. Geology, Sci. Bull., v. 42, no. 5, p. 199-262.

Hodge, E. T., 1932a, Geologic map of north-central Oregon: Oregon Univ. Pubs., Geology ser., v. 1, no. 5, 7 p.

______ 1932b, New evidence of the age of the John Day Formation: Geol. Soc. America Bull., v. 43, p. 695-702.

______ 1941, Geology of the Madras quadrangle, Oregon: Oregon State Coll. Studies in Geology 1.

Knowlton, F. H., 1902, Fossil flora of the John Day Basin, Oregon: U.S. Geol. Survey Bull. 204, 153 p.

Marsh, O. C., 1875, Ancient lake basins of the Rocky Mountain region: Am. Jour. Sci., 3rd ser., v. 9, p. 49-52.

Merriam, J. C., 1901a, Geologic section through John Day Basin [abs.]: Geol. Soc. America Bull., v. 12, p. 496-497.

______ 1901b, A contribution to the geology of the John Day Basin: California Univ., Dept. Geology Bull., v. 2, no. 9, p. 269-314.

Peck, D. L., 1960a, Geologic reconnaissance of the Western Cascades in Oregon north of latitudes 43 degrees: U.S. Geol. Survey open-file report, 232 p.

______ 1960b, Cenozoic volcanism in the Oregon Cascades, in Short papers in the geological sciences: U.S. Geol. Survey Prof. Paper 400-B, p. B308-B310.

______ 1961, John Day Formation near Ashwood, north-central Oregon, in Short papers in the geologic and hydrologic sciences: U.S. Geol. Survey Prof. Paper 424-D, p. D153-D156.

Renton, J. L., 1951, Some notes on thunder eggs: Mineralogist, v. 19, p. 171-177.

Ross, C. S., 1941, Origin and geometric form of chalcedony-filled spherulites from Oregon: Am. Mineralogist, v. 26, p. 727-732.

Ross, C. S., and Smith, R. L., 1961, Ash-flow tuffs—their origin, geologic relations, and identification: U.S. Geol. Survey Prof. Paper 366,81 p.

Scott, R. A., 1954, Fossil fruits and seeds from the Eocene Clarno Formation of Oregon: Paleontographica, Stuttgart, v. 96, pt. B, no. 3-6, p. 66-97.

Smith, R. L., 1960a, Zones and zonal variations in welded ash flows: U.S. Geol. Survey Prof. Paper 354-F, p. 149-159.

______ 1960b, Ash flows: Geol. Soc. America Bull., v. 71, p. 795-841.

Waters, A. C., 1954, John Day formation west of its type locality [abs.]: Geol. Soc. America Bull., v. 65, pt. 2, p. 1320.

Waters, A. C., and others, 1951, Quicksilver deposits of the Horse Heaven Mining district, Oregon: U.S. Geol. Survey Bull. 969-E, p. 105-149.

Wentworth, C. K., and Macdonald, G. A., 1953, Structures and forms of basaltic rocks in Hawaii: U.S. Geol. Survey Bull. 904, 98 p.

Wood, H. E., and others, 1941, Nomenclature and correlation of the North American continental Tertiary: Geol. Soc. America Bull., v. 52, p. 1-48.