Ordinary meeting: Friday, January 7th, 1910

PROCEEDINGS. 437 Alpine Regions of New Zealand," by Albert E. Kitson, F.G.S. The lecture was illustrated with a large series of lantern views, many of which were lent by Mr. E. O. Thiele, who had accompanied the lecturer over a considerable portion of the districts described. SYNOPSIS OF LECTURE.-Short description of CI) the Volcanic region of the North Island Rotorua Hot Lakes district: Great Waimanga Geyser, Wairakei Geyser Valley.-vVairakei Mud Volcano, Waikato Gorge and Valley.-Taupo Volcanic Basin.-Tongariro, Ngauruhoe and Ruapehu Volcanoes. (2) The Alpine Region of the South Island: Tasman, Hooker, Mueller Glaciers and Valleys -Waitaki Valley.- Tekapo, Pakaki and Ohau Lakes and Rivers-Mackenzie Plains.-Mount Cook, and cluster of high peaks. (3) Associated Geological Formations of both Islands. ORDINARY MEETING. FRIDAY, JANUARY 7TH, 1910. GEORGE POTTER, F.R.M.S., Vice-President, in the Chair. The following were elected members of the Association:- Ernest Benskin, I.F.S.; Mrs. E. A. Cassels; Guy Evelyn Ponsonby; Herbert Edward Taylor. The following paper was read :-" On Be/emnoramax boweri, n. g. et sp., A new cephalopod from the Lower Chalk of Lincolnshire," by G. C. Crick, F.G.S. See ante, p. 360. The following lecture was delivered :-" The Volcanic History of Victoria," by Prof. Ernest W. Skeats, A.R.C.S., D.Sc., F.G.S. SYNOPSIS OF LECTURE :-The area covered by Volcanic rocks in Victoria is about one-sixth of the State, i.e., roughly 15,000 square miles. Stratigraphi- cally arranged, the following are the chief groups represented :- Basal Ordovician Cn-The Heathcotian series of Diabases, agglomerates and tuffs. Lowe,' Devonian (?)-The" Snowy River Porphyries" of Eastern Gipps- land, including Rhyolite lavas and tuffs and Alkali Rocks. The Dacites, Quartz Porphyrites, etc., of Macedon, Dandenong, Healesville, etc. Upper Palceoeoic-s- Upper Devonian C n or L. Carboniferous C n-The Quartz Porphyries and Rhyolites with Melaphyres of M1. Wellington in East Gipps- land. Probably here come the Quartz Porphyries of Grangeburn, etc., in the Western District. Lower Kainozoic>« The ., Older Basalt" series of lavas, tuffs, and volcanic necks of South Gippsland and the Melbourne District. Middle Kainozoic Cn-The Alkali series of Macedon and the Western District, including plugs, cones, lavas, tuffs, and agglomerates. Upper Kainozoic to Recent.- The extensive basalt flows of the Western District, the Keilor Plains. the Ballarat area, the Loddon valley, etc. Agglomerates, scoria, and tuffs are well represented near the well-preserved volcanic cones of this series.

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Transcript of Ordinary meeting: Friday, January 7th, 1910

Page 1: Ordinary meeting: Friday, January 7th, 1910

PROCEEDINGS. 437

Alpine Regions of New Zealand," by Albert E. Kitson, F.G.S.The lecture was illustrated with a large series of lantern views,many of which were lent by Mr. E. O. Thiele, who hadaccompanied the lecturer over a considerable portion of thedistricts described.

SYNOPSIS OF LECTURE.-Short description of CI) the Volcanic region ofthe North Island Rotorua Hot Lakes district: Great Waimanga Geyser,Wairakei Geyser Valley.-vVairakei Mud Volcano, Waikato Gorge andValley.-Taupo Volcanic Basin.-Tongariro, Ngauruhoe and RuapehuVolcanoes. (2) The Alpine Region of the South Island: Tasman, Hooker,Mueller Glaciers and Valleys -Waitaki Valley.-Tekapo, Pakaki andOhau Lakes and Rivers-Mackenzie Plains.-Mount Cook, and cluster ofhigh peaks. (3) Associated Geological Formations of both Islands.

ORDINARY MEETING.

FRIDAY, JANUARY 7TH, 1910.

GEORGE POTTER, F.R.M.S., Vice-President, in the Chair.

The following were elected members of the Association:Ernest Benskin, I.F.S.; Mrs. E. A. Cassels; Guy EvelynPonsonby; Herbert Edward Taylor.

The following paper was read :-"On Be/emnoramax boweri, n. g.et sp., A new cephalopod from the Lower Chalk of Lincolnshire,"by G. C. Crick, F.G.S. See ante, p. 360.

The following lecture was delivered :-" The Volcanic Historyof Victoria," by Prof. Ernest W. Skeats, A.R.C.S., D.Sc., F.G.S.

SYNOPSIS OF LECTURE:-The area covered by Volcanic rocks in Victoriais about one-sixth of the State, i.e., roughly 15,000 square miles. Stratigraphically arranged, the following are the chief groups represented :-

Basal Ordovician Cn-The Heathcotian series of Diabases, agglomeratesand tuffs.

Lowe,' Devonian (?)-The" Snowy River Porphyries" of Eastern Gippsland, including Rhyolite lavas and tuffs and Alkali Rocks. The Dacites,Quartz Porphyrites, etc., of Macedon, Dandenong, Healesville, etc.

Upper Palceoeoic-s- Upper Devonian Cn or L. Carboniferous Cn-The QuartzPorphyries and Rhyolites with Melaphyres of M1. Wellington in East Gippsland. Probably here come the Quartz Porphyries of Grangeburn, etc., in theWestern District.

Lower Kainozoic>«The ., Older Basalt" series of lavas, tuffs, and volcanicnecks of South Gippsland and the Melbourne District.

Middle Kainozoic Cn-The Alkali series of Macedon and the WesternDistrict, including plugs, cones, lavas, tuffs, and agglomerates.

Upper Kainozoic to Recent.-The extensive basalt flows of the WesternDistrict, the Keilor Plains. the Ballarat area, the Loddon valley, etc.Agglomerates, scoria, and tuffs are well represented near the well-preservedvolcanic cones of this series.