172 
INDEX TO NORTH AMERICAN GEOLOGY, 
[BUI.L.-271. \ li 
Geologic formations described — Continued. 
Romney formation, Devonian, Maryland, 
Prosser, 1. 
Rosebud beds, Miocene, South Dakota, Mat- 
thew and Gidley, 1. 
Roslyn formation, Tertiary, Washington, 
Smith (G. O.), 1. 
Ruin granite, pre-Cambrian, Arizona, Kan 
some, 3. 
Rustler formation, Permian, Texas, Richard- 
son, 2. 
Saccharoidal sandstone, Missouri, Broad - 
head, I. 
St. Clair limestone, Silurian, Arkansas, Ul- 
rich, 2. 
Saint Croix sandstone, Iowa, Beyer and Wil- 
liams. J. 
St. Elizabeth formation, Cambro-Ordovician, 
Missouri, Ball, 1. 
St. Elizabeth formation, Ordovician, Missouri, 
Ball and Smith, 1. 
St. Helena rhyolite, Tertiary, California, Os- 
mont, l. 
St. Joe limestone. Carboniferous, Arkansas, 
Adams | (i. I.), 2. 
St. Joe limestone, Carboniferous, Arkansas, 
II rich, 2. 
St. Joe limestone, Mississippian, Missouri, 
Gould, 4. 
St. Mary's formation, Miocene, Maryland, 
Clark. 2. 
St. Mary's formation, Miocene, Maryland, 
Shattuck, 2. 
St. Peter sandstone, Ordovician, Ulrich, 2. 
St. Peter sandstone, Wisconsin, Weidman, ;;. 
st. Stephens limestone, Tertiary, Alabama, 
Smith i E. A. i.l. 
saline Creek cave-conglomerate, Carbonifer- 
ous, Missouri, Hall, 1. 
Saline Creek cave-conglomerate, Carbonifer- 
ous, Missouri, Ball and Smith, 1. 
Saltsburg sandstone, Carboniferous, Pennsyl- 
vania, Butts, 2. 
Saltsburg sandstone, Carboniferous, Pennsyl- 
vania, Kiehardson, 1. 
Saltsburg sandstone lentil of Conemaugh 
formation, Carboniferous, Pennsylvania, 
Campbell, 4. 
Sandia series, Carboniferous, New Mexico. 
Herrick (C. L.), 1. 
San Francisco sandstone. California, < >s- 
mont,l. 
Sangamon deposit-. Quaternary, Indiana and 
Illinois, Fuller and < llapp, 1. 
San Luis formation. Juratrias (?), California, 
Fairbanks, 2. 
San Pablo, California, Osmont, 1. 
Santa Margarita formation. Neocene, Califor- 
nia, Fairbanks, 2. 
Santo Domingo rhyolite, Mexico, Hill, (R. 
T.),2. 
Saracachi formation, Mexico, Hill (R. T.), 
2. 
Scanlan conglomerate, Cambrian (?), Ari- 
zona, Ransome, 3. 
Schultze granite, pre-Cambrian, Arizona, 
Ransome, 3. 
9 
Geologic formations described — Continued. 
Seeley slate, pre-Cambrian, Wisconsin, Weid- 
man, 3. 
Sellersburg limestone, Devonian, Indiana, 
Hopkins, 3. 
Selma chalk, Cretaceous, Alabama, Smith 
(E. A.), 1. 
Selma chalk (Rotten limestone), Cretaceous, 
Mississippi, Logan, 2. 
Shady limestone, Cambrian, Tennessee, 
Keith, 2. 
Shafter beds, Cretaceous, Texas, Udden, 1. 
Shasta-Chico series, Cretaceous, California, 
Osmont, 1. 
Shiloh marl, Tertiary, New Jersey, Kiim 
and Knapp, 1. 
Shimer gypsum, Permian, Oklahoma, Gould.l. 
Shinarump, Utah, Huntington and Gold- 
thwait, l. 
Silver Creek hydraulic limestone, Devonii 
Indiana, Hopkins, 3. 
Simpson formation, < >rdovician, Indian Terri- 
tory, Taff, 7. 
skajit formation, Upper Silurian, Alas 
Schrader, 1. 
Skaneateles shale, Devonian, New York, 
Clarke and Luther, 1. 
smith or Deep River beds, Miocene, Montai 
Douglass, 1. 
Snowbird, formation, Cambrian, North Caro- T 
lina and Tennessee, Keith, 2. 
Solitude granite, pre-Cambrian, Arizona, R, 
some, 3. 
Somerville formation, Carboniferous, Jndi 
ana, Fuller and Clapp, 1. 
Sonoma tuff, Tertiary, California, Osmon 
Spearlish formation, Triassic (?), Black H 
region and Wyoming, Darton, 3. 
Spearrish formation, Triassic (•.',, Wyoming 
and South Dakota, Darton, 1. 
Spearfish shale, Triassic (?), South Daki 
Darton and Smith, 1. 
spring creek limestone, Carboniferous] 
kansas. Ulrich, 2. 
Stafford limestone, Devonian, New York, 
Clarke and Luther, 1. 
Standish flags and shales, Devonian, New 
York, Clarke and Luther, 1. 
Stepovak series, Eocene, Alaska, Palache, 2. 
Stockbridge limestone. New York, Kckel,9. 
Stockton, included in Newark, New Jersey, 
Knapp, 1. 
sturgeon quartzite, Algonkian, Michigan, 
Bay ley, 1. 
Stuver series, pre-Devonian, Alaska, Schra- 
der, 1. 
Sub-Blairsville shale, member of theChemuni 
formation, Devonian, Pennsylvania, Camp- 
bell, 4. 
Sunbury shale, Carboniferous, Ohio, Prossei 
and Cumings, 1. 
Sundance formation, Jurassic;, Black Hills re- 
gion, Wyoming and Colorado, Darton, 3 
Sundance formation, Jurassic, South Dakota 
Darton and Smith, 1. 
Sundance formation, Jurassic, Wyoming and 
,'outh Dakota, Darton, 1. 
i 
