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![<span class="search-highlight">Gittinsite</span>-bearing (type-II) alteration assemblages after EGM in black kako...]()
![(a) Pseudomorphs of <span class="search-highlight">gittinsite</span> (medium gray) and quartz (dark gray) after e...]()
![<span class="search-highlight">Gittinsite</span>–quartz pseudomorphs in a matrix of quartz and feldspar. Note the...]()
![Back-scattered-electron (BSE) images illustrating the most characteristic m...]()
![Back-scattered-electron (BSE) images illustrating the most characteristic m...]()
![Polarized-light (PL) and cathodoluminescence images of late-stage HFSE and ...]()
![Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...]()
![Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...]()
![Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...]()
![The 2D net consisting of heptagons bwbw 2 bw and triangles bw 2 (a) ...]()
![Thin-section photomicrographs in plain and polarized light showing REE- and...]()
![Number of indicator mineral grains in the 0.25–0.5 mm nonferromagnetic heav...]()
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1-20 OF 75 RESULTS FOR
gittinsite
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Journal Article
Gittinsite-type M 1+ - M 3+ -diarsenates ( M 1+ = Li, Na; M 3+ = Al, Sc, Ga): insights into an unexpected isotypy and crystal chemistry of diarsenates
Journal: Mineralogical Magazine
Published: 01 June 2007
Mineralogical Magazine (2007) 71 (3): 249–263.
... diffraction data (Mo- K α, CCD detector, 293 K) and were found to be isotypic with gittinsite (CaZrSi 2 O 7 ), and the later described synthetic compound LiFeAs 2 O 7 . Crystal data for LiAlAs 2 O 7 , LiScAs 2 O 7 , LiGaAs 2 O 7 and NaScAs 2 O 7 , respectively, are: space group C 2 (no. 5), a = 6.583(1...
FIGURES
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Journal Article
Gittinsite; a modification of the thortveitite structure
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 December 1989
The Canadian Mineralogist (1989) 27 (4): 703–708.
Journal Article
Gittinsite, a new calcium zirconium silicate from the Kipawa agpaitic syenite complex, Quebec
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 May 1980
The Canadian Mineralogist (1980) 18 (2): 201–203.
Image
Gittinsite-bearing (type-II) alteration assemblages after EGM in black kako...
in Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems
> Mineralogical Magazine
Published: 01 February 2016
Fig. 5. Gittinsite-bearing (type-II) alteration assemblages after EGM in black kakortokite. Associated alteration minerals include catapleiite (Cat), Sr-rich eudialyte (Sr-Eud), analcime (Anl), fluorite (Fl), annite (Bt), aegirine (Aeg-II), pectolite (Pct), Ca-rich and Ca-poor A1, allanite-(Ce
Image
(a) Pseudomorphs of gittinsite (medium gray) and quartz (dark gray) after e...
Published: 01 June 2023
Fig. 12. (a) Pseudomorphs of gittinsite (medium gray) and quartz (dark gray) after elpidite accompanied by crystals of pyrochlore (white) in a matrix of quartz. (b) A pseudomorph of gittinsite and quartz with two associated crystals of pyrochlore and a pseudomorph (outlined by the green dashes
Image
Gittinsite–quartz pseudomorphs in a matrix of quartz and feldspar. Note the...
in John Jambor's Contributions To the Mineralogy of the Strange Lake Peralkaline Complex, Quebec–labrador, Canada
> The Canadian Mineralogist
Published: 01 September 2015
Fig. 5. Gittinsite–quartz pseudomorphs in a matrix of quartz and feldspar. Note the plumose texture of the gittinsite and its confinement to the euhedral pre-existing crystals of elpidite or armstrongite. The dusting of feldspars may be incipient clay alteration. Bar scales: left 0.4 mm, right
Journal Article
Zirconosilicate phase relations in the Strange Lake (Lac Brisson) Pluton, Quebec-Labrador, Canada
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 October 1995
American Mineralogist (1995) 80 (9-10): 1031–1040.
...Stefano Salvi; Anthony E. Williams-Jones Abstract Petrographic observations of subsolvus granites at Strange Lake indicate that the sodium zirconosilicate elpidite crystallized under magmatic conditions, but that the calcium zirconosilicates armstrongite and gittinsite are secondary...
Image
Back-scattered-electron (BSE) images illustrating the most characteristic m...
in DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA
> The Canadian Mineralogist
Published: 01 August 2011
) Complex zonal pseudomorph after elpidite I consisting of elpidite II rim, armstrongite in second (lighter) zone, and zircon, gittinsite and quartz aggregate in the largest central zone of pseudomorph, in the main-phase peralkaline granite. (E) Late-stage zirconosilicate mineralization (predominantly
Image
Back-scattered-electron (BSE) images illustrating the most characteristic m...
in DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA
> The Canadian Mineralogist
Published: 01 August 2011
) Complex zonal pseudomorph after elpidite I consisting of elpidite II rim, armstrongite in second (lighter) zone, and zircon, gittinsite and quartz aggregate in the largest central zone of pseudomorph, in the main-phase peralkaline granite. (E) Late-stage zirconosilicate mineralization (predominantly
Image
Polarized-light (PL) and cathodoluminescence images of late-stage HFSE and ...
in DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA
> The Canadian Mineralogist
Published: 01 August 2011
Fig. 2 Polarized-light (PL) and cathodoluminescence images of late-stage HFSE and REE mineral parageneses in strongly altered elpidite samples. (A) Complex pseudomorph of disintegrated elpidite I replaced by armstrongite, gittinsite and quartz, PL, crossed nicols. (B) Complex pseudomorph after
Image
Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...
in Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems
> Mineralogical Magazine
Published: 01 February 2016
Fig. 7. Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a CaO space illustrating the relative stability volumes for the Na-Ca zirconosilicates eudialyte (red), catapleiite (blue), gittinsite (grey transparent), zircon (green) and vlasovite (yellow). The divariant
Image
Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...
in Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems
> Mineralogical Magazine
Published: 01 February 2016
Fig. 7. Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a CaO space illustrating the relative stability volumes for the Na-Ca zirconosilicates eudialyte (red), catapleiite (blue), gittinsite (grey transparent), zircon (green) and vlasovite (yellow). The divariant
Image
Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a ...
in Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems
> Mineralogical Magazine
Published: 01 February 2016
Fig. 7. Semi-quantitative 3D petrogenetic grid in log a Nms – log – log a CaO space illustrating the relative stability volumes for the Na-Ca zirconosilicates eudialyte (red), catapleiite (blue), gittinsite (grey transparent), zircon (green) and vlasovite (yellow). The divariant
Image
The 2D net consisting of heptagons bwbw 2 bw and triangles bw 2 (a) ...
Published: 01 January 2005
Figure 37. The 2D net consisting of heptagons bwbw 2 bw and triangles bw 2 (a) is a basis for the 3D nets in gittinsite, CaZrSi 2 O 7 (b) and SrZrSi 2 O 7 (c). In gittinsite, the adjacent 2D nets have the same orientation of triangles (b), whereas, in SrZrSi 2 O 7 , the adjacent 2D nets
Journal Article
Preliminary petrogenetic grids for sodium and calcium zirconosilicate minerals in felsic peralkaline rocks: The SiO 2 -Na 2 ZrO 3 and SiO 2 -CaZrO 3 pseudobinary systems
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 August 1992
American Mineralogist (1992) 77 (7-8): 810–820.
... the sodium and calcium zirconosilicates, respectively. These two pseudoternary systems contain quarlz, H 2 O, and either elpidite, vlasovite, catapleiite, gaidonnayite, hilairite, and parakeldyshite, in the first case, or gittinsite, armstrongite, calcium catapleiite, and calciohilairite, in the latter case...
Image
Thin-section photomicrographs in plain and polarized light showing REE- and...
in Lithogeochemical Vectors for Hydrothermal Processes in the Strange Lake Peralkaline Granitic REE-Zr-Nb Deposit
> Economic Geology
Published: 01 August 2016
Fig. 7 Thin-section photomicrographs in plain and polarized light showing REE- and Zr-bearing minerals in the granite (A, B) and pegmatite (C, D). A) Primary interstitial vlasovite (Na zirconosilicate) with dark patches of REE-bearing minerals. B) Gittinsite (Ca zirconosilicate) and quartz
Image
Number of indicator mineral grains in the 0.25–0.5 mm nonferromagnetic heav...
in Rare metal indicator minerals in bedrock and till at the Strange Lake peralkaline complex, Quebec and Labrador, Canada
> Canadian Journal of Earth Sciences
Published: 12 February 2019
, gittinsite; Allan, Allanite; Bast, bastnaesite; Kaino, kainosite; Chevk, chevkinite; Thor, thorianite; Aeger, aegerine; Arfv, arfvedsonite. Bedrock samples normalized to a 1 kg sample mass of <2 mm (table feed) material and till samples normalized to a 10 kg mass of the <2 mm (table feed) material
Journal Article
Zirconosilicates in the kakortokites of the Ilímaussaq complex, South Greenland: Implications for fluid evolution and high-field-strength and rare-earth element mineralization in agpaitic systems
Journal: Mineralogical Magazine
Published: 01 February 2016
Mineralogical Magazine (2016) 80 (1): 5–30.
...Fig. 5. Gittinsite-bearing (type-II) alteration assemblages after EGM in black kakortokite. Associated alteration minerals include catapleiite (Cat), Sr-rich eudialyte (Sr-Eud), analcime (Anl), fluorite (Fl), annite (Bt), aegirine (Aeg-II), pectolite (Pct), Ca-rich and Ca-poor A1, allanite-(Ce...
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Journal Article
Lithogeochemical Vectors for Hydrothermal Processes in the Strange Lake Peralkaline Granitic REE-Zr-Nb Deposit
Journal: Economic Geology
Publisher: Society of Economic Geologists
Published: 01 August 2016
Economic Geology (2016) 111 (5): 1241–1276.
...Fig. 7 Thin-section photomicrographs in plain and polarized light showing REE- and Zr-bearing minerals in the granite (A, B) and pegmatite (C, D). A) Primary interstitial vlasovite (Na zirconosilicate) with dark patches of REE-bearing minerals. B) Gittinsite (Ca zirconosilicate) and quartz...
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Includes: Supplemental Content
Journal Article
INTERNAL STRUCTURE AND MINERALOGY OF A ZONED ANORTHITE- AND GROSSULAR-BEARING LEUCOTONALITIC PEGMATITE IN SERPENTINIZED LHERZOLITE AT RUDA NAD MORAVOU, STARÉ MĚSTO UNIT, CZECH REPUBLIC
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 June 2010
The Canadian Mineralogist (2010) 48 (3): 629–650.
... minerals include common zircon as euhedral crystals of variable habits, ≤1 cm in size, locally associated with rare baddeleyite, U-rich zirconolite and gittinsite. Accessory titanite, fersmite, pyrochlore–betafite, apatite, monazite-(Ce), rutile, and biotite also were identified, along with several phases...
FIGURES
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