Ellensburg Formation of south-central Washington, by J. W. Bingham and M. J. Grolier. Geology of the Ransom ... Map 1-452__....... 1965. California Div. Mines and Geology Map sheet 8. 1966. O. * 02. H O. 02 ...... .ay Canyon. ^ c. _c rmation.
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey 1966 GEOLOGICAL
SURVEY
BULLETIN
1254-A
Changes in Stratigraphic Nomenclature by the U.S. Geological Survey 1966 By GEORGE V. COHEE, WALTER S. WEST, and LORNA C. WILKIE
CONTRIBUTIONS TO STRATIGRAPHY
GEOLOGICAL
SURVEY
BULLETIN
1254-A
UNITED STATES GOVERNMENT PRINTING OFFICE, WASHINGTON : 1967
UNITED STATES DEPARTMENT OF THE INTERIOR STEWART L. UDALL, Secretary
GEOLOGICAL SURVEY William T. Pecora, Director
For sale by the Superintendent of Documents, U.S. Government Printing Office Washington, D.C. 20402 - Price 20 cents (paper cover)
CONTENTS Page
Listings of nomenclatural changes.__________________________________ New names adopted for official use in U.S. Geological Survey reports. _ Previously used names adopted for official use in U.S. Geological Survey reports._____________________________________________ Stratigraphic names revised_____________________________________ Changes in age designation____________.________________________ Stratigraphic names reinstated._________________________________ Stratigraphic names abandoned.________________________________ Cuyon Formation, of east-central Puerto Rico, by Lynii Glover III______ The Matilde and Milagros Formations of early Tertiary age in northwest Puerto Rico, by Arthur E. Nelson and Othmar T. Tobisch_____. Matilde Formation.___________________________________________ Milagros Formation__________________________________________ The Malo Breccia and Cotorra Tuff in the Cretaceous of central Puerto Rico, by Reginald P. Briggs.______________..-_---__-____.____ Malo Breccia.______________________________________________ Cotorra Tuff _____________________________________________ Huachuca Quartz Monzonite, Huachuca Mountains, Cochise County, Aiizona, by Philip T. Hayes______________________________________ The Jacaguas Group in central-southern Puerto Rico, by Lynn Glover III and Peter H. Mattson,___________________________________ Miramar Formation._________________________________________ Raspaldo Formation___________________________________________ Los Puertos Formation,___________________________________ _..__ Cuevas Limestone_____________________________________________ Rio Descalabrado Formation__________________________________ Guayo Formation.____________________________________________ Exshaw Formation of Devonian and Mississippian age in northwestern Montana, by Charles A. Sandberg_________________________________ References cited___________________________________________________
Al 2 5 8 14 17 17 18 19 19 22 23 23 27 29 29 33 36 36 37 38 38 39 41
ILLUSTRATIONS Page
FIGURE 1. Map showing distribution of the Cuyon Formation in the northwest corner of the Cayey 7^-minute quadrangle, eastcentral Puerto Rico____________________________________ 2. Geologic sketch map of the Bayaney quadrangle, Puerto Rico__ 3. Schematic diagrams showing relations of the Malo Breccia, the Cotorra Tuff, and adjacent Stratigraphic units.___________ 4. Index map of southeastern Arizona showing location of Huachuca Mountains and Huachuca Quartz Monzonite._______
ni
A18 20 25 30
IV
CONTENTS
Page FIGURE 5. Index map of central-southern Puerto Rico showing localities referred to in text___________________________________ 6. Stratigraphic summary of the Jacaguas Group, central-southern Puerto Rico____________________-.-___-.. 7. Geologic map of the Jacaguas Group in central-southern Puerto Rico_________________.______________ 8. Index map of northwestern Montana showing areas underlain by Exshaw Formation and Sappington Member of Three Forks Formation.__________._____________._--.-._____-
A31 32 34 35
CONTRIBUTIONS TO STRATIGRAPHY CHANGES IN STRATIGRAPHIC NOMENCLATURE BY THE U.S. GEOLOGICAL SURVEY, 1966
By GEOEGE V. COHEE, WALTER S. WEST, AND LORNA C. WILKIE LISTINGS OF NOMENCLATURAL CHANGES In the following listings, the changes in stratigraphic nomenclature are grouped together in the categories of (1) new names adopted for official use, (2) previously used names adopted for official use, (3) stratigraphic names revised, (4) changes in age designation, (5) stratigraphic names reinstated, and (6) stratigraphic names abandoned. The stratigraphic names involved in change are listed alphabetically under each category. The age of the unit, the area in which the name is employed, the title of the report, and the publication in which the change is described are given. The capitalization of age terms in the age column follows official usage. Al
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pre-Pennsylvanian..,..
Devonian and Mississippian.
Permian.._______ Arizona.
Eastford Gneiss......
Exshaw Formation_
Fort Apache Member (of Supai Formation).
Montana.........
Connecticut......
Stoyanow, 1936.
Warren, 1937_.
Gregory, 1906-
Wyoming........ Miller, 1936-..
Late Cambrian,____
Du Noir Limestone Member (of Gallatin Limestone).
Noble and Wallace, 1965.
Paleocene or Eocene_ Puerto Rico___ Berkey, 1916--
Washington......
Corozal Limestone...
Colvos Sand.__________ Pleistocene_______
Middle Pennsylvanian. Pennsylvania. _ White, 1883,
Campbell Ledge Shale Member (of Pottsville Formation).
Spivey, 1940-
Original authorship
Washington___ Mackin, 1961-
South Dakota and Wyoming
Location
late Miocene and early Pliocene.
Late Cretaceous____
Age
Beverly Member (of Ellensburg Formation).
~" Ardmore Bentonite Bed (of Sharon Springs Member of Pierre Shale).
Name
The Red Bird section, a reference locality of the Upper Cretaceous Pierre Shale in Wyoming, byJ. R. Gill and W. A. Cobban. The Yakima Basalt and Ellensburg Formation of south-central Washington, by J. W. Bingham and M. J. Grolier. Geology of the Ransom quadrangle, Lackawanna, Luzeme, and Wyoming Counties, Pennsylvania, by T. M. Kehn, E. E. Glick, and W. C. Culbertson. Ground-water occurrence and stratigraphy of unconsolidated deposits, central Pierce County, Washington, by K. L. Walters and G. E. Kimmel. Cretaceous and Tertiary rocks in the Corozal quadrangle, northern Puerto Rico, by A. E. Nelson. Paleozoic formations in the Wind River basin, Wyoming, by W. R. Keefer and J. A. Van Lieu. Geologic map of the Hampton quadrangle, Windham County, Connecticut, by H. R. Dixon and Fred Pessl, Jr. Exshaw Formation of Devonian and Mississippian age in northwestern Montana, by C. A. Sandberg. Geologic map of the Cibecue quadrangle, Navajo County, Arizona, by T. L. Finnell.
Title and authorship
1966
1967
1966
Map GQ-468- ...
This report, p. A39Map QQ-545-___.
1966
Bull. 1244-C.
1966
1965
Washington Div. Water Resources Water Supply Bull. 18.
Prof. Paper 495-B...
1966
1966
1966
publication
Bull. 1213-
Bull. 1224-G-
Prof. Paper 393-A..-
Publication (U.S. Geol. Survey except as indicated)
Report in which name is adopted
PREVIOUSLY USED NAMES ADOPTED FOR OFFICIAL USE IN U.S. GEOLOGICAL SURVEY REPORTS
Wi i
o
O » > hj
middle Eocene..-_... Puerto Rico___ Pessagno, 1960.
Guayo Formation (of Jacaguas Group).
Stratigraphy of the upper part of the Yakima Basalt in Whitman and eastern Franklin Counties, Washington, by J. W. Bingham and K. L. Walters. Geology of the Ransom quadrangle, Lackawanna, Luzerne, and Wyoming Counties, Pennsylvania, by T. M. Kehn, E. E. Glick, and W. C. Culbertson. The Jacaguas Group in centralsouthern Puerto Rico, by Lynn Glover III and P. H. Mattson. ....do.__.. -.---...--.___
Title and authorship
02 1965 1966
Prof. Paper 464. Bull. 1224-J.
1965 1966
Map 1-452__....... California Div. Mines and Geology Map sheet 8.
Bull. 1244-B.
Map GQ-535
O
1967
This report, p. A38 This report, p. A29
*
O
1967
1966
1965
- Year of publication
02 H
Bull. 1213.. ....
Prof. Paper 525-C
Publication (U.S. Geol. Survey except as indicated)
Report in which name is adopted
Devonian rocks and paleogeography of central Arizona, by Curt Teichert. Joshua Rock Gneiss Member Ordovician(?) or older.. Connecticut...... Lundgren, 1963. Stratigraphic names in the New (of New London Gneiss). London area, Connecticut, by Richard Goldsmith. Keetley Volcanics- ..-._... early Oligocene_..... Utah____..... Kildale,1956._. Geologic map of the Park City West quadrangle, Utah, by M. D. Crittenden, Jr., F. C. Calkins, and B. J. Sharp. Kope Formation... . .. Late Ordovician...._ Kentucky and Weiss and Sweet, 1964- Revised nomenclature of Upper Ohio. Ordovician formations in the Maysville, Kentucky, area, by J. H. Peck. LaHood Formation (of Belt Precambrian_.--.-.-. MontanaAlexander, 1955. Geologic map and cross sections Series). of Maudlow quadrangle, Montana, by B. A. L. Skipp and A. D. Peterson. Mindego Basalt.-- .-.------ Oligocene or Miocene._ California. Cummings, Touring, Geology of the Palo Alto quadand Brabb, 1962. rangle, Santa Clara and San Mateo Counties, California, by T. W. Dibblee, Jr.
Jacaguas Group.-...--....-.. Late Cretaceous to ..--do__.-.-.-. Pessagno, 1961 middle Eocene. Jerome Member (of Martin Late Devonian__... Arizona_.___ Stoyanow, 1930Formation).
White, 1881.
Early Mississippian__ Pennsylvania.
Griswold Gap Member (of Pocono Formation).
Original authorship
Washington___ Mackin, 1961.
Location
late Miocene or early Pliocene.
Age
Frenchman Springs Member (of Yakima Basalt of Columbia River Group).
Name
PREVIOUSLY USED NAMES ADOPTED FOR OFFICIAL USE IN U.S. GEOLOGICAL SURVEY REPORTS Continued
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