C—9

Session 11. 1912. NEW ZEALAND.

NEW ZEALAND GEOLOGICAL SURVEY (SIXTH ANNUAL REPORT (NEW SERIES) OF THE).

Presented to both Houses of /he General Assembly by Command of His Excellency.

CONTENTS.

Page Page Letter of transmittal .. .. .. ..2 Report of Dr. J. Allan Thomson. Palaeontologist .. (i Introduction .. .. .. .. .. 2 Office and laboratory work .. .. .. 6 Staff .. .. .. .. ..2 Nature of the fossil collections .. ..6 Summary of operations .. .. ..2 (1.) The type and show collection .. ..6 Publications .. .. .. .. ..2 (2.) Undesoribed collections of the old Survey.. 7 Library .. .. .. .. ..3 (:{.) Partly determined collections of the re-field-work m the Buller-Mokihmui Subdivision .. 3 inaugurated Burvey .. .. .. 7 Introduction .. .. .. ..8 Relation of the fossil collections to New Zealand General geology .. .. ..3 st»tig»phy 7 ~ . n i •> Field-work in East Marlborough and North (1.) Cial .. .. .. .. ..3 Canterbury 7 In.) Upper lilarkhurn and adjoining district 3 „ _. ' , .'.*. _ , , ~' '. , .. .. , ~ , ■ ' . (ieneral account of the succession .. ..7 (v.) Macklev in-Oriknka district .... 4 ~ . ~ „ .„ , v ,I, | ■ | . Fresh discoveries .. .. .. .. 8 L'J . .. °° \° . Correlation and subdivision of the Cretaceous beds 8 „ *_' ~. . _,'" i ~• • ~ ,''• . - Correlation of the Grey Marls .. .. 9 Report.rf Dr. J. Henderson, Mming Geologi* .. 5 Thi . M t B beds and the Greta or Introduction .. .. .. ..5 «iii.j <\ ~ . , - Motunau beds .. .. .. ..9 Countr\' examined .. .. .. o Physiography .. .. .. .. 6 Description of fossils .. .. .. 9 General geology 5 ''"' Meso/.oic marine faunas of New Zealand .. 10 Economic geology ' .. .. .. . . ti MAP. Southern part of Ngakawau watershed .. . . .. .. .. At end.

Page Report of Dr. J. Allan Thomson. Palaeontologist .. 6 Office and laboratory work .. .. ..6 Nature of the fossil collections .. .. 6 (1.) The type and show collection .. ..6 (2.) Undeseribed collections of the old Survey.. 7 (3.) Partly determined collections of the reinaugurated Survey .. .. ..7 Relation of the fossil collections to New Zealand strat igraphy .. .. .. 7 Field-work in East Marlborough and North Canterbury .. " .. .. .. 7 General account of the succession .. .. 7 Fresh discoveries .. .. .. 8 i lorrelation and subdivision of the Cretaceous beds 8 Correlation of the Grey Marls .. .. 9 The Mount Brown beds and the Greta or Motunau beds .. .. .. .. 9 Description of fossils .. .. ..9 The Mesn/.oie marine faunas of New Zealand . . 10

MAP. Southern part of Ngakawau watershed .. . . .. .. .. . . .. At end.

I—C. 9.