 | | Journal (article/letter/editorial) | | of Mount Malosa, Zomba District, Malawi Alessandro Guastoni & Federico Pezzotta The Zomba-Malosa pluton...These pegmatites outcrop close to the summit of Mount Malosa (-2000 m.a.s.l.) and they are subhorizontal...X-ray diffraction performed on aegirines from Mount Malosa collected in the cavities indicated that the...quartz crystals from miarolitic cavities of Mount Malosa estimated entrapment pressure at 130 MPa (Zajacz...1990). The more common substitutions observed at Mount Malosa are goethite + albite after parisite, quartz |  | | Journal (article/letter/editorial) | | (REE) carbonates from alkaline pegmatites of Mount Malosa, Malawi AlessAndro GuAstoni,1 FAbrizio nestolA,1...discussed. Keywords: Ca-REE carbonates, Mount Malosa, Malawi, hydration introduction The crystal structures...alkaline granite-syenite pegmatites of the Mount Malosa pluton in Malawi, associated with rhabdophane-(Ce), (Ce...00/DOI: 10.2138/am.2009.3185 pegmatites of Mount Malosa. The crystal chemistry of these Ca-REE fluorocarbonate...fluorocarbonates. The common alterations observed at Mount Malosa are goethite + K-feldspar after parisite(Ce) |  | | Journal (article/letter/editorial) | | anorogenic magmatism in the Chilwa Province of Malawi, East African Rift The Chilwa Province of alkaline...alkaline igneous rocks and carbonatites in Malawi and neighboring Mozambique displays three major cycles...pegmatites that appear at the end stage of the Zomba–Malosa complex are arguably the most spectacular example...absence of basic rocks in cycle-2 complexes in Malawi, Woolley (1987) postulated that large volumes of...vast volumes of the Chilwa granites (Mlanje, Malosa, Zomba intrusive suites), all of the ferroan variety |  | | Journal (article/letter/editorial) | | (specimen and cut stones) with smoky quartz on matrix, Mount Antero, Colorado. Denver Museum of Nature and Science...34043 Aegirine and Associated Minerals from Mount Malosa, Malawi, B. Cairncross, 31-37 Africa, azurite, 4043;...minerals named after South Africans, 48-53; Mount Malosa, Malawi, 31-37; Rhodes/rhodesite,50-53; Tsumeb,...Nigeria, 110 Aragonite, Tsumeb, 21 Arfvedsonite, Malawi, 36 Arsenogoyazite, New Mexico, 301 Art, see Robinson..., Aegirine and Associated Minerals from Mount Malosa, Malawi, 3 1-37; Spectacular Minerals from the Kalahari |  | | Catalog/List | | AEGIRINE Very rich mass of black crystals, some Mount Malosa, Zomba District, lxl ins £5 lx2ins _lyro?'~~e ....__ Malawi £10 _---- -- - -- - --·- ·- 34 AEGIRINE Rich fine grained black crystalline mass Mount Ste...HihilMORPHITE 560 157 IDOCRASE var CYPRTh"E 199 ILLITE Clay Mineral ILMENITE FeTiO INDERBORITE Ca Mg BO...Kangankunde Hill, zomba, lx2 £7.50 2x2 £15 2x2.Y2 £20 MONAZITECe 486 Cc La N Th PO/4 Malawi Slight!~ radioactive...size. In a plastic display dome. (Mount Malosa, Zomba District, Malawi) £7.50 2. AEGIRINE two black crystals |  | | Catalog/List | | England Rich fine grained black crystalline mass Mount Stc Hilaire, Quebec with Fluorescent orange Sodalite...black crystals, some Mount Malosa, Zomba District, free standing. ______ ______ Malawi Black crystal sections...CYPRINE 199 192 203 197 200 201 196 240 208 ILLITE Clay Mineral____________ ILMENITE Fe TiO_________________...blue in quartz____________ Grey masses, about 75 % Illite and 25 % Smectite____________________________ Excellent...calcite or pyrolusite ^Somerset _________ Mount Malosa Malawi Terminated white crystal or crystals, intergrown |  | | Journal (article/letter/editorial) | | Blatnásuite suiteoccurs occursininthe thesouthern southern and southwestern margin granodiorites and southwestern...occurring in the southern and southwestern the Central Bohemian plutonic complex. The in the southern and southwestern...During post-ore stage originated clay minerals (illite, kaolinite, and smectite), grains in in aggregates...with younger sericite. originated clay minerals (illite, kaolinite, and smectite), together with younger...younger sericite. originated clay minerals (illite, kaolinite, and smectite), together with younger sericite |  | | Journal (article/letter/editorial) | | (Figure 2). The mining located on the southern slope of the Mount Fravort, along the valley carved by the...Argenta stream, area is located on the southern slope of the Mount Fravort, along the valley carved by the...3 Å. Inset filtered region. (001) repeat distance 18.3 Å . Inset filtered region. 3.3.4. [110] HRTEM...resolution image (enlarged filtered of the squared region in the lower right side) bastnäsite is oriented...[110]. Synchysite shows some image of the squared region in the lower right side) bastnäsite is oriented |  | | Catalog/List | | cleavage Mount Ste Hilaire, Quebec Ix! £ 1.10 ,Canada Mount Malosa, Zomba District, Ix½ £3 Malawi Nandan...£2.50 2x2 £4 2x3 £6 ½ x½ £4 £9 Paramirim Region,Agua Quenta,Bnhia, Brazil Benallt Mine. Lleyn Wales...size scattered Zomba Plateau Quarry, Zomba, !xi £4 C in crystalline white calcite Malawi 159 GRAPHITE Rich...crystallised on matrix Ojuela Mine, Mapimi,Mexico ♦ ILLITE Clay Mineral ILMENITE 192 ILMENITE FeTiO 680...Faras Mine, Bigadic, Turkey ½ x½ £2.50 8mm£6 Mount Malosa.Malawi Ix! £5 Greystones quarry,Lezant |  | | Catalog/List | | location details l cm£4 2cm£8 Mount Malosa, Zomba District. Malawi IxI ins £5 Rich line grained black...crystal of Gamet. Borrowdalc Cumbria Zomba Plateau Quarry. Zomba. Malawi Lake Jaco . Mexico Green massive...IDOCRASE Ca Mg Al SiO OH JDOCRASE var C\'PRINE ILLITE Clay Mineral ✓ Meldon Quarry.Okchamp1on.Devon...creamy dolomite crystals. Just one crystal showing Mount Malosa.Malawi l x l £5 120 267 269 4 580 i\...(Nsutu , Tarkwa in th e A s hanti Belt of 2x2 £ I O Southern Gh ana) I x2 £5 2x3 £ I 5 64. GADOLINlTE a line |  | | Catalog/List | | wave ½"£3 lx½£5 ZnAs0/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass ofblnck crystal sections...JAROSITE IDOCRASE ILLITE Chipping Sodbury,Gloucestershire Grey masses, about 75 % Illite and 25 % SrnectiLe...crystallised mass ½" £2 lx!l,£4 CaBOOH 284 MICROCLINE Mount Malosa.Malawi Terminated white crystal or crystals...ob\ious lxl £2.40 Mo S MOLYBDENITE Copiapo 111 Region Chile 667 MUSCOVITE Watarase River, Ashio Mine...Ix½" £4 lxl £6 8S3 VOLKONSKOITE Efimyatskaya,Penn Region,Urals ,Russia Pure.dark green massive. About 7mm |  | | Catalog/List | | £3 Ix! £6 BaCa .C0/3 2 AEGIRINE Mount Malosa, Zomba District, Malawi 975 ALTHAUSITE Modum, Buskerud,Norway...£3 2x2 £5 199 ILLITE Chipping Sodb_ury,Gloucestershire Grey masses, about 75 % Illite and 25 % Smecllte... lxl £1.50 lx2 £3 2x2 £5 Feldspar 4 MICROCLINE Mount MalosaMalawi Terminated white crystal or crystals...obvious lxl £2.40 Mo S 279 ■ MOLYBDENITE Copiapo 111 Region Chile Small silvery molybdenite in matrix + yellow...-- -- ---- 853 VOLKONSKOITE Efimyatskaya,Perm Region,Urals ,Russia TREMOLITE Harquahala,Arizona U.S |  | | Book | | and others discuss inclusions in quartz from this region. Alpine type parageneses are also known from North...BUKANOV 1995). Mit Einschlüssen in Quarzen dieser Region befasst sich u.a. SKOBEL (1996). Alpinotype Paragenesen... just in USA, deposits similar to the Herkimer region are known from Alaska, Arkansas and Texas. CH4-rich...verbreitetes Phäno men. Allein aus den USA sind der Region von Herkimer vergleichbare Bildungen aus Alaska...organic inclusions in nicht eindeutig lokalisierten Region in der ch inesischen Provinz Sichuan auf den Mineralienmarkt |  | Gray, T. R., Hanley, J. J., Dostal, J., Guillong, M. (2011) Magmatic Enrichment of Uranium, Thorium, and Rare Earth Elements in Late Paleozoic Rhyolites of Southern New Brunswick, Canada: Evidence from Silicate Melt Inclusions. Economic Geology, 106 (1) 127-143 doi:10.2113/econgeo.106.1.127 | Journal (article/letter/editorial) | | EARTH ELEMENTS IN LATE PALEOZOIC RHYOLITES OF SOUTHERN NEW BRUNSWICK, CANADA: EVIDENCE FROM SILICATE...rhyolites from the Piskahegan and Harvey Formations of southern New Brunswick, Canada, in order to provide further...caldera-related U mineralization that occurs in the region. Glassy melt inclusions analyzed by laser ablation-inductively...Devonian-Pennsylvanian Harvey and Piskahegan Formations in southern New Brunswick, the processes that led to U and...Middle Devonian-Early Carboniferous age from the southern margin of the Magdalen basin in Cape Breton Island |  | Alles, Jonas, Ploch, Alexander-Maria, Schirmer, Thomas, Nolte, Nicole, Liessmann, Wilfried, Lehmann, Bernd (2019) Rare-earth-element enrichment in post-Variscan polymetallic vein systems of the Harz Mountains, Germany. Mineralium Deposita, 54 (2) 307-328 doi:10.1007/s00126-018-0847-8 | Journal (article/letter/editorial) | | which seems to be a diagnostic feature of the region and suggests a large-scale Mesozoic fluid system...first microanalytical data for synchysite from this region and document the widespread occurrence of REE fluorocarbonates...gangue (Sperling 1973; Sperling and Stoppel 1979). Illite from hydrothermally altered wall rock of the Bad...1992), and acid fluid conditions are indicated by illite wallrock alteration (Boness et al. 1990). The formation...polymetallic ore deposits with respect to the source region of the fluids. Acknowledgements This study is funded |  | | Catalog/List | | Taliskcr Bay, Skye, Scotland AEGIRINE Mount Malosa, Zomba District, Malawi 17 2 Rich mass of black crystal...CRI STOBALITE 424 Vcchec, Slanskc Mtns, Presov Region, Slovakia 220 Rich coverage of dull grey micro...green crystalline mass CaMgAI SiOOH 1/, x ½ £1.5 ILLITE Chipping Sodbury,Glouccstershire 1 99 Grey masses...area, Pacific Occa 2 79 MOLYBDENITE Copiapo 1 1 I Region Chile Black-bro\\11 part section showing the interior...Ix½ £5 lx . I £7 .50 MICROCLINE MUSCOVITE 30 6 4 Mount Malosa.Malawi Near Shelby, Cleveland Co.North Carolina |  | | Catalog/List | | and masses on calcite ½x½£3 lxl£5 PbOHCOJJ 199 ILLITE Chipping Sodbury.Glouccstcrshirc Grey masses, about...½" £3 lx½ £5 Zn AsO/4 2 AEGIRINE Mount Malosa, Zomba District, Malawi Rich mass of black crystal sections...Quilace, Santa Cruz Dept, Bolivia 4 MICROCLINE Mount Malosa.Malawi Stream worn pure metallic nodule Tenninated...SILVER Coahuila Mexico 279 MOLYBDENITE Copiapo 111 Region Chile small plates on calcite ,some with Chrysocolla |  | | Catalog/List | | LO-- -- ·- · ~~1 ~0/~ 2 AEGIRINE Mount Malosa, Zomba District, Malawi 1073 AMBL YGONITE Eitarama,Ruanda...white crystulliscd on nmtrix lxl DI.SO lx2 £9 199 ILLITE Chipping Sodbury,Gloucestershire HEMIMORPHITE (Machen... Ix! £1.50 lx2 £3 2x2 £5 Feldspar 4 MICROCLINE Mount Malosa.Malawi Terminated white crystal or crystals...2x3 £6 Mica group 279 ■ MOLYBDENITE Copiapo 111 Region Chile Silvery masses of molybdenite+ yellow FLUORESCENT |  | | Journal (issue) | | that had recently been mined by Gary Freeman at Mount Mica. The stone had an unusual blue color, and she...apatite, Plumbago mountain for rose quartz crystals, Mount Mica for tourmaline, the Keith and Pulsifer quarries...efforts have now come full-swing, and he is back at Mount Mica and Newry, mining for the Plumbago Mining Corporation...seriously, that we were dining in what Frank calls the “Mount Mica Hilton!” Frank’s narratives include colorful...least 2008. But the mining culture in this remote region of China was sometimes a little slow to recognize |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Robinson, 2013). MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of...discoveries in the famous alkaline pegmatites of Mount Malosa in the late 2000s include specimens showing...sharp, snow-white, earthy rosettes of tabular "illite" pseudocrystals to 2 cm which are pseudomorphs...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing |  | | Journal (issue) | | showing location of the Grenville Province and its southern subdivisions; modified from Price and Douglas...Boundary Zone (CMBBZ) of the Grenville across southern Quebec, southeastern Ontario and northwestern...(Hogarth, 1970). During the Paleozoic, much of the southern portion of the study area was covered by sediments...et al., 1988). Younger rocks are unknown in the region; if they were once present they were probably eroded...thomsonite ➞ mesolite ➞ analcime ➞ calcite(II) ➞ illite. At locality 44, pseudomorphs of albite after trapezohedral |  | | Book | | flash floods. WELL-DEVELOPED screes on cliffs in southern Morocco; such deposits may be the source of the...larger fossils. Cretaceous and younger rocks of southern England and North America have many greensand...Clay is a rock made of minerals such as kaolinite, illite, and montmorillonite. When damp, clay has a sticky...ESSENTIAL COMPONENTS Clay minerals, such as kaolinite, illite, and montmorillonite. ADDITIONAL COMPONENTS None...the Cretaceous period, thick chalks are found in southern England. They contain layers of flint nodules |
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