154 GEOLOGY. 



A Tertiary series flanks the Secondary, forming rolling downs. XJ. 

 Secondary and Tertiary outliers^ are found in the valleys of the Palaeozoic 

 band. The Tertiary series is divided thus: — Oamar a Formation, not 

 older than U. Eocene, in two conformable divisions — Ototara and Tre- 

 lissic groups, the latter with contemporaneous volcanic rocks. Ahuriri 

 Formation (L.Miocene), unconformable on the last. Par eor a Formation 

 (U. Miocene), divided on palseontological grounds into Kanieri group, 

 with coals, and Awatere group, with contemporaneous volcanic rocks. 

 Glacier deposits (Older Pliocene). Post-glacial deposits. 



The author considers that the central part of the Canterbury Plains 

 has risen 1700 feet since the beginning of the Pleistocene period. 



K. E., Jun. 



Johnston, R. M. Regarding the Composition and Extent of certain 

 Tertiary Beds in and around Launceston. Monthly Notices Eoy. 

 Soc. Tasm. for 1873, pp. 39-48, sections and plates of fossils. 



In this neighbourhood are vast horizontal accumulations of gravel, 

 in layers from 1 to 3 feet thick, with laminated clays and tufaceous 

 sands. The stones of the gravel are siliceous pebbles, gritty concretions, 

 all more or less rounded and waterworn, opalized wood and waterworn 

 fragments of three different kinds of limestone with Palaeozoic fossils. 

 Both the opalized wood and the waterworn pebbles show evidence of 

 having undergone subsequent alteration by heat. The accumulation of 

 this gravel is accounted for on the supposition that the drainage of the 

 country was dammed up by a stream of lava during the later volcanic 

 eruptions, or by dislocation, so converting the valley of the Tamar and 

 the westward plains into a large lake. Many of the intercalated beds 

 of clay contain leaves, branches, and twigs of plants and trees. The 

 whole series is divided into: — Lower Zone, with a bed of Lignite 

 resting unconformably upon greywacke on the West Tamar. From 

 the absence of tufaceous sands it is inferred that this zone immedi- 

 ately preceded the later volcanic eruptions. Middle Zone, of shifting 

 beds of clay and tufaceous sand deposited during the period of volcanic 

 activity. Upper Zone, of alternating beds of conglomerate-breccia and 

 gravel, and detritus of the lower zones, forming low rounded hills and 

 terraces, flanking the present course of the river Tamar. R. E., Jun. 



LivEEsiDGE, A. Note on the Bingera Diamond Eields, N. S. Wales. 

 Proc. Roy. Soc. N. S. Wales. 



. On the Coal and Iron Deposits at Wallerawang, N. S. Wales. 



?Proc. Roy. Soc. N. S. Wales. 



MiNARD, — . Sur les Gisements d'Or des Philippines. [Gold 



Deposits of the Philippine Islands.] • Bull. Soc. Geol. France, 



3 ser. t. ii. pp. 403-406. 



The Gold occurs both in Alluvium and in Quartz-reefs, that in the 



former being now alone worked. The principal rocks of the gold 



district are calcareous grits and conglomerates, sometimes capped by 



