1-15 OF 15 RESULTS FOR

Lake Roto-a-Tamaheke

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 16 October 2012
Canadian Journal of Earth Sciences (2012) 49 (10): 1217–1250.
... changes that reflect downslope changes in water chemistry and temperature. The facies architecture, however, becomes exponentially more intricate when more factors start to impact the system. This phenomenon is readily apparent in the geothermal area around Lake Roto-a-Tamaheke (located...
FIGURES | View All (21)
Image
Location of <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b>. (A) Location of Taupo Volcanic Zone, Nort...
Published: 16 October 2012
Fig. 2. Location of Lake Roto-a-Tamaheke. (A) Location of Taupo Volcanic Zone, North Island, New Zealand. (B) Location of Whakarewarewa south of Lake Rotorua. (C) Location of Lake Roto-a-Tamaheke relative to main faults in the Whakarewarewa area, Geyser Flat, and Waikite Geyser (modified from
Image
Outflow from <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b>, between 1984 and 1990, shown as combined...
Published: 16 October 2012
Fig. 4. Outflow from Lake Roto-a-Tamaheke, between 1984 and 1990, shown as combined flow (top graph line) from channels near spring S428 (northeast corner of lake) and S328 (northwest corner of lake), and from channel near S428 alone (bottom line of graph). From Bradford (1992 , figs. 2, 3).
Image
Indicators of past water levels in <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b> and associated spri...
Published: 16 October 2012
Fig. 7. Indicators of past water levels in Lake Roto-a-Tamaheke and associated spring pools. (A) West end of lake showing succession of lake deposits capped by siliceous sinters with past lake levels marked by ledges and spicules. (B) Enlarged view of spicules that denote past lake level (from
Image
Field photographs of shoreline areas around <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b> (April 201...
Published: 16 October 2012
Fig. 8. Field photographs of shoreline areas around Lake Roto-a-Tamaheke (April 2010). (A) View along western shore of lake showing lake mudstones overlain by siliceous sinters that formed from springs. White letters B and D indicate positions of Figs. 8B and 8D , respectively. (B) Eastward
Image
Field photographs of deposits on northeast side of <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b>, ne...
Published: 16 October 2012
Fig. 9. Field photographs of deposits on northeast side of Lake Roto-a-Tamaheke, near T20 ( Fig. 3 ). (A) General view to southwest showing succession of lake deposits with surface covered with siliceous sinter (largely broken) and small sulfur-rich areas. White letter B indicates position
Image
Schematic diagram showing depositional system at <b>Lake</b> <b>Roto</b>-a-<b>Tamaheke</b> that ...
Published: 16 October 2012
Fig. 20. Schematic diagram showing depositional system at Lake Roto-a-Tamaheke that involves the acid lake regime (ALR), the alkaline spring regime (ASR), the weathering regime (WR), and acid spring pools (ASP). Although sediment deposition and accumulation is controlled largely by intrinsic
Image
Discharge apron associated with springs and geysers on west shore of <b>Lake</b> R...
Published: 16 October 2012
Fig. 18. Discharge apron associated with springs and geysers on west shore of Lake Roto-a-Tamaheke. (A) General view (to SSE) of sinter surface disrupted by spring pools and partly overgrown with vegetation. (B) Small geyser vent surrounded by ornate geyserite. White letter D indicates position
Image
(A) Plot of water temperature versus pH, showing division of water into gro...
Published: 16 October 2012
Fig. 6. (A) Plot of water temperature versus pH, showing division of water into groups I, II, and III. (B) Area around Lake Roto-a-Tamaheke showing distribution of different spring types as defined by temperature and pH in Fig. 5A . Note concentration of waters with pH > 6 along
Image
Discharge apron associated with springs in Ororea Spring Group ( Figs. 2D, ...
Published: 16 October 2012
Fig. 17. Discharge apron associated with springs in Ororea Spring Group ( Figs. 2D, 3 ), located on northwest shore of lake. (A) General view showing main vent in foreground and sinter apron sloping southward to Lake Roto-a-Tamaheke (background). (B) Complex array of rim-pools and small, rounded
Image
Schematic models showing array of depositional regimes and features associa...
Published: 16 October 2012
Fig. 21. Schematic models showing array of depositional regimes and features associated with the Lake Roto-a-Tamaheke system. (A) Model with lake level at lowstand position showing locations of different types of springs and associated features. Note input from extrinsic factors. The elevations
Image
Features associated with platform along the east, north, and west shores of...
Published: 16 October 2012
Fig. 15. Features associated with platform along the east, north, and west shores of Lake Roto-a-Tamaheke. See Fig. 3 for locations. (A) Pool T13 with desiccated black mud around bubbling black water in central pool. (B) Inclined blocks of siliceous sinter (arrows), ejected from hydrothermal
Image
SEM photomicrographs of sample from rampart ( Figs. 9E, 9F ) that covers sh...
Published: 16 October 2012
Fig. 12. SEM photomicrographs of sample from rampart ( Figs. 9E, 9F ) that covers shoreline of Lake Roto-a-Tamaheke. (A) General view showing alternating low- and high-porosity laminae. White letter B indicates position of Fig. 12B . (B) Pillars formed of interwoven filamentous and rod-shaped
Image
SEM photomicrographs of structures found in sinter around hot, alkaline spr...
Published: 16 October 2012
Fig. 19. SEM photomicrographs of structures found in sinter around hot, alkaline springs and geysers on west side of Lake Roto-a-Tamaheke. (A) Transverse cross-section through radiating column ( Fig. 18C ) showing alternating low- and high-porosity opal-A laminae. (B) Enlarged view, from Fig
Journal Article
Published: 23 June 2017
Geological Magazine (2018) 155 (6): 1394–1412.
.... 2012 . Facies architecture in depositional systems resulting from the interaction of acidic springs, alkaline springs, and acidic lakes: case study of Lake Roto-a-Tamaheke, Rotorua, New Zealand . Canadian Journal of Earth Science 49 , 1217 – 50 . Jones , B. , Renaut , R. W. &...
FIGURES | View All (12)