BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA V o l . 38, p p . i-i92, pls. 1-7 March so, 1927 PROCEEDINGS OF THE THIRTY-NINTH ANNUAL MEETING OF THE GEOLOGICAL SOCIETY OF AMERICA, HELD AT MADISON, WISCONSIN, MONDAY, TUESDAY, AND WEDNESDAY, DECEMBER 27, 28, AND 29, 1926 Charles P. Berkey, Secretary CONTENTS P age Session of Monday morning, December 27........................................................... 6 Address of welcome by E. A. Birge........................................................... 6 Report of the Council....................................................................................... 8 President’s report....................................................................................... 8 Secretary’s report....................................................................................... 10 Treasurer’s report....................................................................................... 12 Editor’s report......................................'...................................................... 14 Election of Auditing Committee..................................................................... 15 Election of officers, representatives, Correspondents, and Fellows. 16 Necrology ............................................................................................................. 18 Memorials ........................................................................................................... 18 Memorial of Robert Bell (with bibliography) ; by H. M. Ami---- 18 Memorial of William Otis Crosby (with bibliography); by H. W. Shimer and W aldemar Lindgren........................................................ 34 Memorial of John Burchmore Harrison (with bibliography) ; by Stanley Smith ................................................?..................................... 45 Memorial of Frank Hall Knowlton (with bibliography) ; by David White ....................................................................................................... 52 ■ Memorial of Willis Thomas Lee (with bibliography) ; by William C. Alden ..........: ........................................................... ........................... 70 Memorial of John C. Smock (with bibliography) ; by Henry B. Kummel .................................................................................................. 93 Memorial of William Lawrence Uglow (with bibliography) ; by M. B. B aker............................................................................................. 100 Session for the presentation of scientific papers...................................... 107 Titles and abstracts of papers........................................................................ 107 What caused the Spokane flood? [abstract] ; by J. Harlen Bretz.. 107 Salient points in Tertiary epeirogeny [abstract] ; by Frank B. Taylor .................................*..................................................................... 107 Whittling down the batholiths [abstract] ; by Rollin T. Cham­ berlin ...................................................................................................... 109 Symposium on Precambrian geology..................................................... 109 Precambrian rocks of the Union of South Africa [abstract]; by Arthur W. Rogers.................................................................... 110 X— B u l l . G e o l . S o c . A m .. V o l . 38, 1926 (1) Downloaded from http://pubs.geoscienceworld.org/gsa/gsabulletin/article-pdf/38/1/1/3429938/BUL38_1-0001.pdf by guest on 29 September 2021 2 PROCEEDINGS OF THE MADISON MEETING Page Lake Superior Precambrian [abstract] ; by 0. K. Leith.......... 110 Belt sedimentation and correlation [abstract] ; by Edward Sampson ........................................................................................... I l l Summary of the Precambrain geology of Pennsylvania and Maryland [abstract] ; by A. I. Jonas and E. B. Knopf.... Ill Summary of the Precambrian geology of Virginia to the James River ; [abstract] ; by A. I. Jonas................................. 112 Session of Monday afternoon................................................................................. 113 Titles and abstracts of papers......................................................................... 113 Precambrian geology of Fennoscandia, with special reference to Finland [abstract] ; by J. J. Sederholm.......................................... 113 Stratigraphy of the northern subprovince of the Lake Superior region [abstract] ; by T. L. Tanton.................................................. 114 Changes in the geologic map of northeastern Minnesota [ab­ stract] ; by Frank F. Grout and G. M. Schwartz............................ 115 Rove slate area in Minnesota [abstract] ; by Frank F. Grout and G. M. Schwartz........................................................................................ 115 Contributions to the geology of the Cuyuna Range [abstract] ; by George A. Thiel................................................................................. 116 Huronian slate areas of northeastern Baraga County [abstract] ; by L. P. B arrett..................................................................................... 117 Hastings series [abstract] ; by M. E. W ilso n ...................................... 118 Geological reconnaissance in the Piedmont of Virginia [abstract] ; by A. I. J o n a s .,..................................................................................... 118 Are some intrusions replacement deposits? [abstract] ; by Terence T, Quirke ................................................................................................. 119 i Coutchiching delta [abstract] ; by E. L. Bruce.................................... 121 Stratigraphy of the Adirondack Grenville [abstract] ; by Harold L. A ilin g ..................................................................................... ............. 121 Age of the red clastic series of Minnesota [abstract] ; by Clinton R. Stauffer ............................................................................................. 122 Address of the retiring President of the Mineralogical Society, Walde- mar T. Schaller : Mineral replacements in pegmatites......................... 122 Titles and abstracts of p a p e rs........................................................................ 122 Nature and origin of the “Brown Rock” phosphorites of Ten­ nessee [abstract] ; by Austin F. Rogers.......................................... 122 Calcium chloride w aters [abstract] ; by Alfred C. L ane................ 123 Significance of intergrowths of chalcopyrite and cubanite [ab­ stract] ; by G. M. Schwartz................................................................. 123 Actino-uranium and enlarged ancient haloes [abstract] ; by T. Russell Wilkins ..................................................................................... 124 Origin of chert and flint [abstract] by W. A. T a r r ........................ 125 Mica-peridotite dike in Union County, Tennessee [abstract] ; by C. H. Gordon........................................................................................... 125 Meetings of Monday evening................................................................................... 126 Presidential address by Andrew C. Lawson: Folded mountains and isostasy ............................................................................................................. 126 Annual smoker..................................................................................................... 126 Downloaded from http://pubs.geoscienceworld.org/gsa/gsabulletin/article-pdf/38/1/1/3429938/BUL38_1-0001.pdf by guest on 29 September 2021 CONTENTS 3 Page Session of Tuesday morning, December 28........................................................ 126 Titles and abstracts of papers................................................................... 126 Pleistocene deposits in the eastern Altai [abstract] ; by Charles P. Berkey and Frederick K. M orris........................................................ 126 Desert weathering [abstract] ; by Eliot Blackwelder................. 127 Relation of Lake Erie to recent and present land-tilting [ab­ stract] ; by Frank B. T aylor................................................................ 128 Meaning of meanders in tidal streams [abstract] ; by Marius R. Campbell ................................................................................................. 129 Working concepts appropriate to an earth of planetesimal origin [abstract] ; by T. C. Chamberlin.................................................... 129 Symposium on zonal arrangement of metalliferous deposits........ 131 Zonal arrangement of metalliferous lodes; by William H. Emmons ......................................................................... %............... 131 Zonal ore deposits of the Coast Range batholith; by S. J. Schofield ............................................................................................ 131 Zonal distribution of ore deposits in central Europe; by George Berg .................... ............................................................... 131 Recent additions to the evidence confirming the zonal ar­ rangement of minerals in the Cornish lodes; by E. H. Davison ........................................................................................... 131 Titles and abstracts of papers........................................................................