130 — Transactions. 
supposed to consist of recumbent folds, but they are abundant in the 
western branch of the forced virgation— t.e., western Southland and 
Fiordland. 
It may here be remarked that according to Hector (1870), cited by 
Marshall (1912), the schists of the Chatham Island may be compared and 
correlated with those of Otago, and have a north-easterly strike; and 
remnants of a large area of crystalline rocks presumably united into single 
massif occur in the other islands scattered south-east of New Zealand.* 
Authorities have differed concerning the continuity or otherwise of 
the sequence of late Cretaceous and Tertiary “ Notocene " strata which 
formations resulting from the plexus of Pleistocene fractures. Among 
the lowest of the Notocene strata are marly beds with a Senonian fauna, 
now under investigation by Dr. Marshall, and apparently comparable with 
those in New Caledonia, the South Island of New Z Zealand, Graham Land, 
an ile. Newer than these and more widespread are foraminiferal and 
algal hydraulic limestones, probably for the most part of about Danian 
age—though it is not at all certain that all the'lithologically similar masses 
of limestone here are coeval. These are followed by tufaceous sandstones 
with Mollusca, some coal-measures, and a polyzoan limestone of possibly 
Oligocene-Miocene age, which form the chief distinctive formations in a 
great thickness of clay or marl above the hydraulic limestone (cf. Ferrar, 
1922). In addition to these, however, are several interstratified bands 
of conglomerate, the character of the pebbles in which is being studied 
McKay noticed the intrusion of ultrabasic rock into the hydraulic limestone. 
This Bartrum has confirmed, finding several instances of masses of normal 
serpentine, troctolite, or gabbro invading t the limestone. The intrusion of 
such plutonic rocks is characteristically associated with orogenic crust- 
movements (cf. Benson, 1924), so that it may be inferred that the same was 
rue here. Among the à ove-mentioned conglomerates, however, Bartrum 
though there are exceptional north-easterly, meridional, and ev n north-north-westerly 
trikes, apparently in regions of local dislocation. The strike Gi the вош hero ia thus 
xim e $ 
the Chatham prep with the mainland. The direction as shown on fig. 3 must thus 
be modifi vea еу marine sediments and voleanic rocks do not 
appear to show an ih marked fo 
T The sou ~~ of the bulk ч these pebbles, however, he believes to have 
pressure-affected "terrain which was in existence before and during the deposition 
of Trias-Jura sediments." (Cf. Bartrum, 1924.) 
