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Nepheline from
Cham, Kampong Thom Province, Cambodia


Locality type:Deposit
Classification
Species:Nepheline
Formula:Na3K(Al4Si4O16)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Nepheline data
Locality Data:Click here to view Cham, Kampong Thom Province, Cambodia
Data Identifiers
Mindat Occurrence Record ID:1327364
Long-form Identifier:1:3:1327364:2
GUID (UUID V4):40ba61a3-6f4e-4880-827b-6dfc15dbff5a
References
Reference Search (possible matching items)
Report (issue)
Tsung-pu (1960) mentioned the early discovery of the nepheline basalt of Ts’ao-shih (Caoshi) at this locality...connected lakes) district (listing 20) of Heilongjiang Province, northeastern China. Lakes are shown in black...(Qixia, Taishan). Tsung pu (1960) described a nepheline basalt existing at these two localities. Likewise...km in circumference, on the border of the Ili Province and the Urumchi district. The Illi volcano was...and may have been fissure-fed. The rocks are nepheline basanites and olivine basalts (Gobbett and Hutchison
Journal (article/letter/editorial)
Element-to-Mineral Conversion for the Nabbaren Nepheline Syenite Deposit Camilo Mena Silva *, BjĂžrn E....2018   Abstract: Nabbaren nepheline syenite, a silica-deficient intrusive rock with...mineral conversion; EMC; industrial minerals; nepheline syenite; case study; mineral chemistry; EPMA ...strictly tied to consumer specifications [1]. Nepheline syenite is a silica-deficient intrusive rock,... which when processed into a low-Fe feldspar-nepheline may become a commercial industrial mineral. Practical
Report (issue)
H I J K Undifferentiated Nepheline - syenite; Lardalite Patas sie nepheline - syenite ;Mieraeline -bearing...-patassie nepheline - syenite ; P erthite -bearing nepheline- syenite ; Fayaite Sadie nepheline - syenite...bearing nepheline- syenit e ; Mariupalite; Manmauthite ; Litchfieldite F eldspar-free nepheline - syenite...pseudaleucit e - syenite ; Fergusite ;Missaurite Nepheline - sadalit e - sy enite ; Ditr6ite Sadalite - ...e Patassie nepheline - micrasyenite Sadi-patassie nepheline -microsyenite Sadie nepheline - mierasyenite
Journal (article/letter/editorial)
aluminum smelter contained mainly graphite, NaF, nepheline (NaAlSiO4), Na2O(Al2O3)11, and silicon (Si). Its...fluoride and Na-bearing components (e.g., NaF and nepheline) of the SPL into the converter slag reduced the...potlining: an update, [in] Light Metals 2012, Springer, Cham, 2012, p. 1313. D. MikĆĄa, M. HomĆĄak, and N. Samec...aluminum production, [in] Light Metals 2014, Springer, Cham, 2014, p. 565. K.W. Grieshaber, C.T. Philipp, and...Metals 2017, Springer International Publishing, Cham, 2017, p. 579. H.J. Hittner and Q.C. Nguyen, Stabilization
Journal (article/letter/editorial)
25–30 vol.%) (old feldspathoids, e.g., relict nepheline) that was completely transformed to clay minerals...minerals were strongly sericitized and kaolinized. Nepheline, biotite, plagioclase, quartz, carbonates, titanite...orthoclase, Bt: biotite, Qtz: quartz, Ap: apatite, Ne: nepheline, Ab: albite, Kfs: potassic feldspar, Px: pyroxene...samples based on petrographical observation. Nepheline (Ne), garnet (Grt), biotite (Bt), Mica (Mic) Fe-Ti...weathered rock with centimetric Kfs and Ne minerals Nepheline syenite Less weathered, mainly composed of centimetric
Journal (article/letter/editorial)
Vuoriyarvi is one of the Devonian Kola Alkaline Province massifs [32]. Its concentrically zonal structure...agpaitic nepheline-syenite massifPetyayan-Vara carbonatite fields and the Kolvikskiy agpaitic nepheline-syenite...(fourth) stage of the magma intrusion produced nepheline syenites and ring, third phase). The next (fourth)...(fourth) stage of the magma intrusion produced nepheline syenites and related rocks concentrated in the...them unique both massif and for the Kola Alkaline Province in general. Magnesiocarbonatites are widespread
Journal (article/letter/editorial)
choice for examination. Co-magmatic blocks of nepheline syenite within the Tenerife pumice series contain...variation in phonolite the Tenerife phonolite-nepheline syenite suite and its constituent minerals. This...the origin of compositionaI zonation in &Ii& magma cham&rs. Geol. Sac. Amer. .SpeciulPaper l&%43-75. HOLMESA
Journal (article/letter/editorial)
with poikilitic rocks is that almost only one nepheline is deposited during urtitization, whereas during...[32,33], and it is located at the contact of nepheline syenite (foyaite), which composes the bulk of...poikilitic feldspar with inclusions of sodalite and nepheline, occurs as centimeter- to meter-sized inclusions...in fine-grained porphyritic foid syenites and nepheline sienite [37]. Sodalite-rich foid syenite in the...melanocratic nepheline syenite; foyaite is a massive, less often weakly trachytoid, leucocratic nepheline syenite;
Journal (article/letter/editorial)
and volcanic analogs (alkaligranitic type), (d) nepheline syenites (foidic type), and (e) carbonatite complexes...of a fertile complex; h—hydrothermal ore; ns—nepheline syenite; p—pegmatite; tp—trachyte porphyry. The...Nechalacho Zr–REE–Nb–Ta stratiform deposit in nepheline-sodalite syenites of the Thor- GEOLOGY OF ORE...well as their weathering crusts Carbonatites ± nepheline syenites ± syenites ± ultramafics Carbonatitic...microlite, ixiolite, tapi- Nb, W olite, wodginite Nepheline syenites ± alkaline Mineralized layers recurrent
Journal (article/letter/editorial)
already-liberated minerals such as alkali feldspars and nepheline, which should not be considered as tailings. In...Fe, Ti, and other colored impurities from the nepheline-feldspar product and to minimize the tailings...selective flotation; phosphoric acid esters; nepheline-syenite of Norra KĂ€rr Deposit. Minerals 2022...such as Zr, Hf, Nb, and Ta. In this context, nepheline syenite rocks belong to alkaline igneous rocks...(HREE) and HFSE [5]. Norra KĂ€rr is a peralkaline nepheline-syenite intrusive complex located in southcentral
Journal (article/letter/editorial)
metallogeny of tantalum, tantaloniobates, carbonatite, nepheline syenite, alkali granite, syenite, supercontinent...and volcanic analogs (alkaligranitic type); (2) nepheline syenites (foidic type); and (3) carbonatitic complexes...namely, SiilinjĂ€rvi carbonatite and Saharjok nepheline–syenite (Zozulya et al., 2007). In the former...syenite; cb, carbonatite; h, hydrothermal ore; ns, nepheline syenite; s, syenite; tp, trachyte-porphyry. GEOLOGY...REE–Nb–Ta stratiform deposit (2.18 Ga) hosted in nepheline-sodalite syenites of the Thor Lake complex (Slave
Journal (article/letter/editorial)
subsolvus leucocratic rocks (foyaite, fine-grained nepheline syenite, urtite with phosphorus mineralization...proceeded in the direction of an enrichment in nepheline and a decrease in the aegirine content. A similar...some remaining unchanged and some turning into nepheline syenites. In these rocks, there are signs of a...Massif; fractional crystallization; fenitization; nepheline; alkali feldspar; clinopyroxene; amphibole; eudialyte...with the world’s largest occurrences of agpaitic nepheline syenite intrusions. The causes of the enrichment
Journal (article/letter/editorial)
controls the direction of hydrothermal alteration. Nepheline, hydralsite, and boehmite have been noted (Morey...the basal r e ­ flection intensities (Ngyuyen Tat Cham et al., 1974), in this investigation such a possibility...montmorillonite with A1 I V + AlVI; Di - diopside; N - nepheline; En - enstatite; Ge - gehlenite; Mo - monticellite;...whereas chlorite is retained are represented by nepheline in experiments at this temperature. with albite...hydroxyl-containing layered phases statite, and nepheline. It was difficult to inter­ formed from them,
Journal (article/letter/editorial)
feldspars and 20–35 kt of feldspathoid rocks (nepheline syenite), the Czech Republic ranks among the top...pegmatites (key active deposit: LuĆŸeničky). Nepheline syenite is mined at a single deposit. All deposits...Egypt, Iran, and India [2]. Frequently, nepheline syenite, nepheline phonolite, and other plutonic and volcanic...63.38 58.16 53.05 48.07 44.40 Feldspathoids Nepheline Na3 K(Al4 Si4 O16 ) 8.06 15.91 0 34.90 41...to the Tertiary weathering (Znojmo area). All nepheline phonolites are of Tertiary age.of feldspar and
Journal (article/letter/editorial)
Peninsula, Russia. The associated minerals are nepheline, aegirine, potassic feldspar, albite, kyanoxalite...Peninsula, Russia. The associated minerals are nepheline, aegirine, potassic feldspar, . albite, kyanoxalite...rock-forming mineral in this rock, together with nepheline (typically> 60 vol.%), aegirine, alkali feldspars...Fig. 2. Sapozhnikovite (1) in association with nepheline (2), kyanoxalite (3) and aegirine (4). Back-scatter...electrons. Fig. 3. Mineral association including (1) nepheline, (2) kyanoxalite, (3) sapozhnikovite, (4) natrolite
Journal (article/letter/editorial)
phenocryst phases, such as olivine, clinopyroxene, nepheline, and Fe-Ti oxides (e.g. Peterson, 1989a, b) ....laws Mineralogy feldspar pyroxene feldspar nepheline, pyroxene Samples: Name: trachyte basanite...basanite ( phenocryst and groundmass) nepheline, pyroxene nepheline, melitite, pyroxene, D2967 El109 El108...Pb sam- melilite nephelinite nepheline, pyroxene olivine nepheline melitite, pyroxene, olivine El107...phenocrysts set in a groundmass of melilite, nepheline, iron oxides and/ or clinopyroxene. Table 2 lists
Book
registered company address is: Gewerbestrasse 11, 6330 Cham, Switzerland Preface Rare Metal Technology 2019...Rahman Mohamed, H. L. Lee and Ismail Ibrahim Nepheline Syenite—An Alternative Source for Potassium and...present study was taken from Yichang City in Hubei province of China. It was crushed, grounded and sieved...magnets by hydrometallurgical processes. Springer, Cham 3. Obuz HE, GĂŒnes H, Kara A, Ugurluer D, Babuccuoglu...elements from complex ores by acidic solutions. Cham 4. Zhu Z, Pranolo Y, Cheng CY (2015) Separation
Book
chamber once existed beneath the Tharsis volcanic province. Some petrologists be- (1979: partly lieve that...fractured rock upwards and occupies the funnel-shaped cham- ber as it forms (cf. Wager & Brown 1968: 541)...Elysium volcanic province, centred at 25°N and 210 °W. The Tharsis is the largest province and comprises...volcanic landforms. The volcanoes of the Elysium province are also situated on a huge dome, 2000 km across...generally occur in either the Tharsis volcanic province, BVSP formed (1981: as the of large volumes
Journal (article/letter/editorial)
Bonga carbonatite, located SE of Quilengues, Huila Province, Angola (Figure 1), is a carbonatite-alkaline...forming part of the Parana-Angola-Namibia alkaline province [78–80]. The Lucapa extensional stage provided...133 ± 10 My [81–83]), alkaline rocks (Tchivira nepheline syenites, 112 ± 8 My, 130.8 ± 1.4 My and 130 ±...rocks Minerals 2019, 9, 601 3 of 30 (Tchivira nepheline syenites, 112 ± 8 My, 130.8 ± 1.4 My and 130 ±...accessory but abundant (less than 25 modal %) nepheline and aegirine with trace magnetite and perovskite
Journal (issue)
near Bancroft, Ontario: an occurrence of large nepheline, biotite and albite-antiperthite crystals in calcite-cored...localities; there are probably many. Locality Province or state Kozhim-Ner Sura-Is Mountain Chus-Oika...Pennsylvania, to the high-grade metamorphic and intrusive province of New England at least as far as southwestern...Mineralogie Monatshefte (1), 1-9. YATES, R. G ., and THOM PSON, G. A. (1959) Geology and quick­ silver deposits...Bulletin 4, 74 p. 6HILL, 16YATES, R. G ., and THOM PSON, G. A. (1959) Geology and quick­ silver deposits
Journal (article/letter/editorial)
60% Na₄TiO₄ Ca₂Al₂SiO₇ CaAl₄O₇ NaAlSiO₄ (Nepheline) NaAl₉O₁₄ CaCO₃ Na₂Al₁₂O₁₉ Na₃Fe₅O₉ CaTiO₃...80% 70% (FeO)₂(TiO₂) CaAl₄O₇ 40% NaAlSiO₄ (Nepheline) NaAlSiO₄ (Carnegeite) 30% Na₂Al₁₂O₁₉ NaAlO₂...CaAl₄O₇ NaAlSiO₄ (Carnegeite) NaAlSiO₄ NaAl₉O₁₄ (Nepheline) CaCO₃ Na₂Al₁₂O₁₉ 500 600 700 800 900 1000 1100...Ca₂Al₂SiO₇ NaAlSiO₄ (Carnegeite) NaAlSiO₄ C (Nepheline) NaAl₉O₁₄ CaCO₃ NaAlO₂ NaCO₃ 500 600 700 800...species, and sodium aluminosilicate formsforms of nepheline and partial conversion into sodium aluminate species
Journal (article/letter/editorial)
magma of the former was enriched in Fe. A classic province of alkaline magmatism is the Kola Peninsula, where...massifs of alkaline ultrabasic rocks and two giant nepheline syenite massifs: Khibina and Lovozero. All of...whose rocks are preserved as xenoliths in the nepheline syenites (Arzamastsev, 1990), and in the younger...he volcanic and intrusive suites in the young nepheline syenites of the massif. The affili ation of the...picrite series is genetically related to the main nepheline syenite phase of alkaline magmatism in the Khibina
Journal (article/letter/editorial)
5. (in wt.%): eudialyte—38, orthoclase—21.1, nepheline—12.8, aegirine—4.2, amphibole—3.4, diopside—2...concentrate, loparite and nepheline disappear, while the silicate part of nepheline becomes amorphous and...concentrate, loparite and nepheline disappear, while the silicate part of nepheline becomes amorphous and...were (in wt.%): eudialyte—38, orthoclase—21.1, nepheline—12.8, albite—9.2, microcline—6.5, aegirine—4.2...Recovery of Rare Earths. In Extraction 2018; Springer: Cham, Switzerland, 2018; pp. 2415–2427. Jarosiński,
Journal (article/letter/editorial)
2018 Recovery, concentrate grade Feldspar-nepheline amounts of data now being collected. In addition...calculating the modal mineralogy of the Nabbaren nepheline syenite deposit, Norway, based on X-ray Downloaded...element-to-mineral conversion for the Nabbaren nepheline syenite deposit: Minerals, v. 8, article 325,...F., eds., Handbook of mathematical geosciences, Cham, Switzerland, Springer, p. 673–686. Vatandoost,
Journal (article/letter/editorial)
Calcium Oxalates in Lichens on Surface of Apatite-Nepheline Ore (Kola Peninsula, Russia). Minerals 2019, 9...Lecture Notes in Earth System Sciences; Springer: Cham, Switzerland, 2016; pp. 357–377. [CrossRef] Zelenskaya...Lecture Notes in Earth System Sciences; Springer: Cham, Switzerland, 2020; pp. 581–603. [CrossRef] Sterling...Lecture Notes in Earth System Sciences; Springer: Cham, Switzerland, 2016; pp. 425–442. [CrossRef] McBride
 
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