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Te Puke

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Journal Article
Published: 01 August 2006
Clays and Clay Minerals (2006) 54 (4): 473–484.
...Emmanuel Joussein; Sabine Petit; Claire-Isabelle Fialips; Philippe Vieillard; Dominique Righi Abstract Two reference halloysites from New Zealand (Te Puke and Opotiki) were studied by X-ray diffraction under (1) various levels of relative humidity (RH) from 95 to 0% (dehydration), and (2) various...
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XRD patterns of Ca-saturated Te Puke and Opotiki halloysite samples at various temperatures increasing from 25 (T25) to 120°C (T120).
Published: 01 August 2006
Figure 2. XRD patterns of Ca-saturated Te Puke and Opotiki halloysite samples at various temperatures increasing from 25 (T 25 ) to 120°C (T 120 ).
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Effect of freeze-drying treatment on Opotiki and Te Puke samples Ca- or K-saturated. K, K-FD, and Ca-FD mean K-saturated, K-saturated and freeze-dried, and Ca-saturated and freeze-dried, respectively. * refers to the 8.4 Å peak due to amphibole.
Published: 01 August 2006
Figure 5. Effect of freeze-drying treatment on Opotiki and Te Puke samples Ca- or K-saturated. K, K-FD, and Ca-FD mean K-saturated, K-saturated and freeze-dried, and Ca-saturated and freeze-dried, respectively. * refers to the 8.4 Å peak due to amphibole.
Image
XRD patterns of the Ca- and K-saturated Te Puke and Opotiki halloysite samples recorded under various relative humidities (RH) decreasing from 95 to ~0% RH (T = 27°C). * refers to the 8.4 Å peak due to amphibole.
Published: 01 August 2006
Figure 1. XRD patterns of the Ca- and K-saturated Te Puke and Opotiki halloysite samples recorded under various relative humidities (RH) decreasing from 95 to ~0% RH ( T = 27°C). * refers to the 8.4 Å peak due to amphibole.
Image
DTA-TGA curves for Te Puke and Opotiki samples (previously Ca saturated) at 40% and 0.2% RH. Dotted line represents the TGA.
Published: 01 August 2006
Figure 4. DTA-TGA curves for Te Puke and Opotiki samples (previously Ca saturated) at 40% and 0.2% RH. Dotted line represents the TGA.
Image
IR spectra (KBr pellets) of three New Zealand reference halloysites: (A) Opotiki; (B) Matauri Bay; and (C) Te Puke.
Published: 01 December 2005
F ig . 7. IR spectra (KBr pellets) of three New Zealand reference halloysites: (A) Opotiki; (B) Matauri Bay; and (C) Te Puke.
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XRD powder patterns of three New Zealand references halloysites: (a) Opotiki; (b) Te Puke, and (c) Matauri Bay. * and § refer to quartz and feldspars, respectively.
Published: 01 December 2005
F ig . 5. XRD powder patterns of three New Zealand references halloysites: (a) Opotiki; (b) Te Puke, and (c) Matauri Bay. * and § refer to quartz and feldspars, respectively.
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TEM images of the three main morphologies of halloysite from New Zealand: (a) spheroidal (Opotiki); (b) short-tubes (Te Puke); and (c) large-tubes (Matauri Bay).
Published: 01 December 2005
F ig . 2. TEM images of the three main morphologies of halloysite from New Zealand: (a) spheroidal (Opotiki); (b) short-tubes (Te Puke); and (c) large-tubes (Matauri Bay).
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Effect of ethylene glycol solvation before (lower) and after (upper) treatment for three New Zealand references halloysites: (a) Opotiki; (b) Matauri Bay; and (c) Te Puke.
Published: 01 December 2005
F ig . 10. Effect of ethylene glycol solvation before (lower) and after (upper) treatment for three New Zealand references halloysites: (a) Opotiki; (b) Matauri Bay; and (c) Te Puke.
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XRD patterns of oriented preparation before (lower) and after (upper) formamide treatment of three New Zealand references halloysites: (a) Opotiki, (b) Matauri Bay, and (c) Te Puke.
Published: 01 December 2005
F ig . 9. XRD patterns of oriented preparation before (lower) and after (upper) formamide treatment of three New Zealand references halloysites: (a) Opotiki, (b) Matauri Bay, and (c) Te Puke.
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XRD patterns obtained after dehydration from 95% RH to 0% RH, then rehydration at 95% RH for Te Puke and Opotiki samples previously Ca- or K-saturated. * refers to the 8.4 Å peak due to amphibole.
Published: 01 August 2006
Figure 6. XRD patterns obtained after dehydration from 95% RH to 0% RH, then rehydration at 95% RH for Te Puke and Opotiki samples previously Ca- or K-saturated. * refers to the 8.4 Å peak due to amphibole.
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Computational fitting of the XRD profiles obtained for the Ca-saturated Te Puke samples heat-treated at 30, 35, 40 and 50°C, and for the Ca-saturated Opotiki samples heat-treated at 40, 45, 55, 60 and 90°C.
Published: 01 August 2006
Figure 3. Computational fitting of the XRD profiles obtained for the Ca-saturated Te Puke samples heat-treated at 30, 35, 40 and 50°C, and for the Ca-saturated Opotiki samples heat-treated at 40, 45, 55, 60 and 90°C.
Image
Effects of rehydration over a 3month period in liquid water after freeze-drying treatment of the K-saturated Opotiki and Te Puke halloysites. K, K-FD and K-FD-Ca-H2O mean K saturated, K saturated and freeze dried, and K saturated, freeze dried, Ca saturated and stored for 3 months in liquid water. * refers to the 8.4 Å peak due to amphibole.
Published: 01 August 2006
Figure 8. Effects of rehydration over a 3month period in liquid water after freeze-drying treatment of the K-saturated Opotiki and Te Puke halloysites. K, K-FD and K-FD-Ca-H 2 O mean K saturated, K saturated and freeze dried, and K saturated, freeze dried, Ca saturated and stored for 3 months
Image
Effects of rehydration over a 3 month period in liquid water after heat treatment of the K-saturated Opotiki and Te Puke halloysites. K, K-100, and K-100-Ca-H2O mean K saturated, K saturated and heat treated at 100°C for one night, and K saturated, heat treated at 100°C, Ca saturated and stored for 3 months in liquid-water, respectively. * refers to the 8.4 Å peak due to amphibole.
Published: 01 August 2006
Figure 7. Effects of rehydration over a 3 month period in liquid water after heat treatment of the K-saturated Opotiki and Te Puke halloysites. K, K-100, and K-100-Ca-H 2 O mean K saturated, K saturated and heat treated at 100°C for one night, and K saturated, heat treated at 100°C, Ca saturated
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TEM images showing the shapes and sizes of some halloysite particles in relation to their Fe contents: (a) Te Puke (New Zealand), mostly platy, 0.2% Fe2O3 as external oxides; (b) Matauri Bay (New Zealand), thick tubes, no external Fe oxide; (c) Jarrahdale (Australia), short tubes, external oxides not determined; and (d) Patch (Australia), very long tubes, small but variable external Fe oxide content. All scale bars represent 0.2 μm.
Published: 01 June 2016
Fig. 9. TEM images showing the shapes and sizes of some halloysite particles in relation to their Fe contents: (a) Te Puke (New Zealand), mostly platy, 0.2% Fe 2 O 3 as external oxides; (b) Matauri Bay (New Zealand), thick tubes, no external Fe oxide; (c) Jarrahdale (Australia), short tubes
Journal Article
Journal: Clay Minerals
Published: 01 December 2005
Clay Minerals (2005) 40 (4): 383–426.
...F ig . 7. IR spectra (KBr pellets) of three New Zealand reference halloysites: (A) Opotiki; (B) Matauri Bay; and (C) Te Puke. ...
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Journal Article
Journal: Clay Minerals
Published: 01 June 2016
Clay Minerals (2016) 51 (3): 395–416.
...Fig. 9. TEM images showing the shapes and sizes of some halloysite particles in relation to their Fe contents: (a) Te Puke (New Zealand), mostly platy, 0.2% Fe 2 O 3 as external oxides; (b) Matauri Bay (New Zealand), thick tubes, no external Fe oxide; (c) Jarrahdale (Australia), short tubes...
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Journal Article
Journal: Geosphere
Published: 25 April 2024
Geosphere (2024) 20 (3): 935–964.
... CE is plotted in red (shallow; i.e., < 20 km) and blue (deep; i.e., >20 km) contours ( Wallace, 2020 ). From the upper horizon of Unit HKB, we interpret at least seven major seamounts along the margin, including Tūranganui Knoll, Puke Knoll, Te Kuri-a-Paoa Seamount, Māhia Seamount...
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Journal Article
Journal: Economic Geology
Published: 01 August 2007
Economic Geology (2007) 102 (5): 785–816.
... in the Coromandel volcanic zone ( Skinner, 1986 ), North Island, New Zealand, contains about 50 epithermal Au-Ag deposits in a north-south–oriented belt, 200 km long by up to 40 km wide, extending from Great Barrier Island to Te Puke (Figs. 1 , 2 ; Table 1 ). The deposits are quartz ± calcite ± adularia ± illite...
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Journal Article
Journal: Economic Geology
Published: 01 September 2011
Economic Geology (2011) 106 (6): 921–943.
... Report M183 . Rabone S.D.C. , 2006a , Broken Hills rhyolite-hosted high level epithermal vein system, Hauraki goldfield—100 years on : Australasian Institute of Mining and Metallurgy Monograph 25 , p. 117 – 122 . Rabone S.D.C. , 2006b , Exploration at Te Puke, Hauraki goldfield...
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