Geological magazine . rtiary bedsfollow the Shag Point Beds conformably, but have been faulted downto the floor of the valley. The supposed fault was the natural 1 Geol. Eeports and Explorations, 1886-7, p. 226. ^ A. McKay, Geol. Eeports and Explorations, 1883, p. 133. ^ J. Park, The Unconformable Eelationship of the Lower Tertiaries andUpper Cretaceous of New Zealand r Geol. Mag., Dec. V, Vol. VIII, No. 570,pp. 539-49. 494 Professor James Park- corollary of the view of the old Survey, but is entirely opposed totliat of Dr. Marshall, for obviously if the Tertiary beds follow theCretaceous conf


Geological magazine . rtiary bedsfollow the Shag Point Beds conformably, but have been faulted downto the floor of the valley. The supposed fault was the natural 1 Geol. Eeports and Explorations, 1886-7, p. 226. ^ A. McKay, Geol. Eeports and Explorations, 1883, p. 133. ^ J. Park, The Unconformable Eelationship of the Lower Tertiaries andUpper Cretaceous of New Zealand r Geol. Mag., Dec. V, Vol. VIII, No. 570,pp. 539-49. 494 Professor James Park- corollary of the view of the old Survey, but is entirely opposed totliat of Dr. Marshall, for obviously if the Tertiary beds follow theCretaceous conformably they should rest, not on the basement mica-schists, but on that portion of the Cretaceous from which they aresupposed to have been dissevered. Dr. Marshall, when discussing the Shag Point section, lays muchstress on the circumstance that the actual contact of the horizontalTertiaries and uptilted Cretaceous is obscured by recent detritus. Heinfers all kinds of geological possibilities between the junction, but. Fig. 3. Tertiary Series : (a) Calcareous sandstone ; (b) glauconitic sandstone ;(c) blue clays and soft sandstones ; (d) quartzose conglomerate with browncoal; (e) mica-schist. Cretaceous Series : (l) Greensands and shaly clays with septarian con-cretions ; (2) gritty sandstones; (3) quartz sands and conglomerateswith brown coal; (4) quartzose conglomerates passing into quartzose andmica-schist breccia. nevertheless invokes the aid of a fault running along the junction,seemingly failing to recognize that the effect of the fault would be tomake the two formations abut against one another. Such veteran 1 Geol. Mag., July, 1912, p. 318. Cretaceo- Tertiary of New Zealand. 496 geologists as Sir James Hector, Mr. Alexander McKay, Sir Juliusvon Haast, and Professor Cox had no misgivings on this point whenmapping the Shag Point district. In his reference to tlie Kaitangata district in South OtagoDr. Marshall says that since no actual contact of the Lower Tertiaryand Cret


Size: 1532px × 1631px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1860, booksubjectgeology, bookyear1864