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K Feldspar from
Portovelo, Portovelo Canton, El Oro Province, Ecuador


Classification
Species:'K Feldspar' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view K Feldspar data
Locality Data:Click here to view Portovelo, Portovelo Canton, El Oro Province, Ecuador
Data Identifiers
Mindat Occurrence Record ID:1013970
Long-form Identifier:1:3:1013970:9
GUID (UUID V4):a667c243-c0ce-4edb-a0a1-df2bb833c272
Nearest other occurrences of K Feldspar
3.3km (2.0 miles) Bira, Zaruma, Zaruma Canton, El Oro Province, Ecuador
4.7km (2.9 miles) Zaruma deposit, Zaruma Canton, El Oro Province, Ecuador
54.7km (34.0 miles) El Empalme, Sozoranga Canton, Loja Province, Ecuador
74.7km (46.4 miles) Gaby-Papa Grande Cu-Au deposit, Camilo Ponce Enríquez Canton, Azuay Province, Ecuador
99.1km (61.6 miles) Cambana Mine, Nambija mining district, Zamora Canton, Zamora-Chinchipe Province, Ecuador
References
Reference Search (possible matching items)
Report (issue)
11 The metamorphic belts of Ecuador The metamorphic belts of Ecuador CQVer photograph Cerro Hermoso... OVERSEAS MEMOIR 11 The metamorphic belts of Ecuador M Litherland,] A Aspden and RAJemielita Keyworth...andjf.MIEl,ITA, RA. )994. The metamorphic belts of Ecuador. Overseas Memofr of the British Geologi-cal Survey...7 Andean metallogenesis 9 Metamorphic rocks of Ecuador l0 Stratigraphical nomenclature 10 Metamorphic...and skarns 33 Alao terrane 36 Alao-Paute unit 36 El Pan unit 38 Maguazo unit 39 Guamote terrane • 41
Journal (issue)
GEOLOGICAL SURVEY Number 67 The El Oro metamorphic complex, Ecuador: geology and economic mineral deposits...Bonilla, W, and Duque, P. 1995. The El Oro metamorphic complex, Ecuador: geology and economic mineral deposits...Energia y Minas Quito Ecuador P Duque Escuela Politenica Nacional Casilla 2759 Quito Ecuador Contributors NJ...Cover photograph Stunted cloud forest, southern Ecuador ( C Mort.imer, BGS) iii CONTENTS Abstract 1...General setting 5 Geology of Sub-province I 6 Tahuin semi-pelitic division 6 El Tigre unit 6 La Victoria unit
Journal (article/letter/editorial)
Humedo porphyry-related gold deposit, southern Ecuador: Evidence from the boron isotope and chemical variations...Humedo porphyry-related gold deposit, southern Ecuador: Evidence from the boron isotope and chemical variations...porphyry 4 rocks in the Cangrejos–Zaruma district, Ecuador, northern Andes. The Humedo deposit, 5 with a...porphyry–epithermal system; 30 Humedo gold deposit; Ecuador 2 31 1. Introduction 32 Porphyry systems...Andes is the largest gold producing 46 region in Ecuador and hosts several porphyry Cu-Au and epithermal
Journal (article/letter/editorial)
Nambija Au-skarn and Pangui porphyry Cu deposits, Ecuador: implications for the Jurassic metallogenic belt...southeastern Ecuador. Nambija has been one of the main gold-producing centers of Ecuador since the 1980s...geology of the Subandean zone in southeastern Ecuador is dominated by the I-type, subduction-related...Nambija was considered to be Early Tertiary based on K–Ar ages Editorial handling: B. Lehmann Electronic...starts in Colombia at 3° N, extends down to 5° S in Ecuador. It also adds a new mineralization style (Au-skarn)
Journal (article/letter/editorial)
system as to its degree of sulfidation is based on K-feldspar and kaolinite which are present in significant...(mantos“) (32a K) (2) Stratabound fluorite-celestite deposits in carbonate rocks (32b K) (3) Residual and...deposits as part of the S Argentine epithermal province are situated in a region known as the North Patagonian...production of fluorite in Argentina derived from Cordoba Province (98.4%), followed by the Rio Negro and San Juan...(Fig. 3). In this part of the Patagonian volcanic province, effusive and pyroclastic rocks are interlayered
Journal (article/letter/editorial)
Jurassic Nambija gold skarn deposits (southeastern Ecuador) Jean Vallance & Lluís Fontboté & Massimo Chiaradia...Piuntza unit in the sub-Andean zone of southeastern Ecuador. The skarns consist dominantly of granditic garnet...a potassic alteration zone. Exoskarn has an outer K- and Na-enriched zone in the volcanosedimentary unit...fluids . Oxygen isotope . Chlorite . Nambija . Ecuador Introduction Skarns are an important source of...district is one of the main gold producers of Ecuador (see Chiaradia et al. 2009) and is economically
Journal (article/letter/editorial)
spectroscopy a) 10 K PARTICLES ~ 168 min (5 040 000 analytical points) 10 K PARTICLES ~ 2 min (40...Single EDS per segment/grain Dot mapping c) 10 K PARTICLES ~ 22 min (660 000 analytical points) BSE...2,5 µm step on a line - lines 30 µm apart d) 10 K PARTICLES ~ 43 min (1 280 000 analytical points) BSE...20 µm EDS ANALYTICAL POINT Quartz 50 BSE GRID Feldspar GREATEST INSCRIBED CIRCLE Topaz Zircon Automated...crystallization of the main granite facies using feldspar geothermometer (Whitney and Stormer 1977). The
Report (volume)
oe sme ene ae 229 Reon ee 249 tone) 259 eee tae el fire toate eysvcstrinsiaspenesiarenoc Low-Sulfidation...However, later Eger became the seat of a new Turkish province (vilayet), and many moslems settled here. From...exploration successes since the late 1970s, e.g., El Indio (Chile), Hishikari (Japan), Ladolam (Papua...epithermal 2.5 2.0 1.5 Temperature 1.0 (1000/K) Figure 4. Redox relationships as a function of temperature...a common constituent of eruptions, for example at El Chichén, Mexico, and Mount Pinatubo. Exploration
 
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