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Actinolite from
Miki Fjord, Sermersooq, Greenland


Locality type:Fjord
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Miki Fjord, Sermersooq, Greenland
Data Identifiers
Mindat Occurrence Record ID:833853
Long-form Identifier:1:3:833853:2
GUID (UUID V4):e5be1a47-77f7-4b04-9e9e-f406ebb0c626
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
HydrothermaHy altered dolerite dykes in East Greenland: implications for Ca-metasomatism of basaltic...basalts near the Skaergaard intrusion, East Greenland, are extensively altered to metasomatic assemblages...majority of Tertiary dykes in this part of East Greenland. These dykes contain abundant leucocratic segregations...found in the Tertiary volcanic province of East Greenland, in a geological setting which resembles that...volcanic units constitute the Vandfalsdalen and Miki lbrmations (collectively referred to as the Lower
Journal (article/letter/editorial)
basement rocks at Sortekap, Kangerlussuaq area, East Greenland D. A. Holwell & G. R. T. Jenkin & K. G. Butterworth...Sortekap in the Kangerlussuaq region of east Greenland, 35 km north–northeast of the Skaergaard Intrusion...mineralisation in the metamorphic basement rocks of east Greenland. The mineralisation can be classified as orogenic...immediate wall rocks. The alteration assemblage of actinolite-clinozoisite-muscovite-titanitescheelite-arsenopyrite-pyrite...exploration in the underexplored area of east Greenland between 62 and 69°N, where other, similar supracrustal
Journal (article/letter/editorial)
gabbros of the Noe-Nygaard Intrusion, Southeast Greenland STEFAN BERNSTEIN*† & DENNIS K. BIRD‡ *Danish Lithosphere...†Arctic Station, Box 504, DK-3953, Qeqertarsuaq, Greenland ‡Department of Geological and Environmental Sciences...early Tertiary mafic/ultramafic complexes of East Greenland. However, they were generated at a greater mean...N in Greenland. 1. Introduction During the 1995 Danish Lithosphere Expedition to East Greenland, the...bimodal gabbro/wehrlite Tertiary plutonism in East Greenland, and because the occurrence of abundant metabasaltic
Journal (article/letter/editorial)
the margin of the Skaergaard intrusion, East Greenland Jens C. Ø. Andersen 1 & Gavyn K. Rollinson 1 &...less than 1 ppm PGE + Au and a clinopyroxene-actinolite-plagioclase-biotiteilmenite schist with 16 vol%...PGEs could not have formed from the nearby Watkins Fjord wehrlite intrusion, which is nearly barren in sulfide...Skaergaard intrusion . Platinum-group elements . Greenland Introduction Editorial handling: M. Fiorentini...The occurrences are near exposures of the Watkins Fjord wehrlite, a small plug-like intrusion that Kays
Journal (article/letter/editorial)
3A). Zoning three metamorphic mineral zones:the actinolite * chlo- in the garnetsis also marked by abrupt...the Skaergaard'sbasaltic host roxene zone, and actinolite and chlorite replacing mag- rocks were dilute...with -1.5 wto/oNaCl matic clinopyroxene in the actinolite + chlorite zone. equivalent(Taylor and Forester...compositions were determined using a JEOL cluding actinolite + chlorite, epidote + qvartz,and quartz. 7334...country rocks of the Skaergaardintrusion, East Greenland. We use natural phaseequilibria to derive a method
Journal (article/letter/editorial)
    Metallogeny of Greenland Jochen Kolb, Jakob K. Keiding, Agnete Steenfelt, Karsten Secher...Rosa, Diogo, Stensgaard, Bo M., Metallogeny of Greenland, Ore Geology Reviews (2016), doi: 10.1016/j.oregeorev...pertain. ACCEPTED MANUSCRIPT Metallogeny of Greenland JOCHEN KOLB1, JAKOB K. KEIDING1,2, AGNETE STEENFELT1...Economic Geology, Geological Survey of Denmark and Greenland, Øster Voldgade 10, 1350 Copenhagen K, Denmark...TE D MA Corresponding author: jkol@geus.dk Greenland is the largest island on Earth, with 80% of its
Journal (article/letter/editorial)
of the Qeqertaasaq Carbonatite Complex, West Greenland Joshua Hughes1, Ole Christiansen2 1 School of...NunaMinerals A/S, Postboks 790, DK-3900, Nuuk, Greenland Greenlandic exploration company NunaMinerals A/S...Qaqarssuk) and Tikiusaaq carbonatite complexes in West Greenland North Atlantic Craton (WG-NAC). The two carbonatite...The 2975 Ma Maniitsoq impact structure in West Greenland, in Proc. 29th Nordic Geological Winter Meeting...flurocarbonate mineral species from Qaqarssuk, Greenland, Can. Mineral., 44, 1137–1146. Harmer, R. E. 2009
Journal (article/letter/editorial)
saline solutions in the Skaergaard intrusion, east Greenland Rune B. Larsen a, C. Kent Brooks 2, and Dennis...province located at 68~ on the east coast of Greenland (Fig. 1) (Brooks and Nielsen 1982a, b). This area...area in the vicinity of the Kangerdlugssuaq Fjord is a bimodal igneous province characterized by syenitic...complexes found adjacent to the Kangerdlugssuaq Fjord was generated in the rift system of a triple junction...the rift running parallel to the Kangerdlugssuaq Fjord expired after a few million years and became an
Journal (article/letter/editorial)
basalt-hosted petroleum reservoir, Nuussuaq, West Greenland Karyn L. Rogers a,⁎, Philip S. Neuhoff b , Asger...reservoir around Marraat Killiit on Nuussuaq, West Greenland, provide an unparalleled opportunity to investigate...metamorphism; CO2 metasomatism; CO2 sequestration; West Greenland 1. Introduction Basalt-hosted petroleum reservoirs...activities in India (Pendkar and Kumar, 1999), Greenland (e.g., Christiansen, 1994), Japan (Hoshi, 1988)...petroleum reservoir in the Marraat area of West Greenland (Fig. 1). Extensive glacial denudation of the
Journal (article/letter/editorial)
Petrology and geochemistry of the Kruuse Fjord Gabbro Complex, East Greenland JOHN G. ARNASON*†, DENNIS K. BIRD*...1995; accepted 16 July 1996) Abstract – The Kruuse Fjord Gabbro Complex is a composite intrusion of layered...continental crust of East Greenland during early Tertiary rifting of Greenland from Eurasia. The work to...rifting environment. 1. Introduction The Kruuse Fjord Gabbro Complex is one of the largest of some two...that occur at intervals along the coast of East Greenland between 66°30« and 69° N (Fig. 1). Until recently
Journal (article/letter/editorial)
an early K-silicate phase followed by albite-actinolite and peripheral epidotechlorite-carbonate-pyrite...greenstones in the Nuuluk area, Sermiligaarsuk Fjord, South West Greenland D. M. Schlatter, J. Kolb Geological Survey...Survey of Denmark and Greenland, Copenhagen (dms@geus.dk) Nuuluk is located about 75 km SE of Paamiut...mineralization in the Precambrian Tartoq Group, S. W. Greenland, J. Geol. Soc. Lond., 141, 273–278. Evans, D....of the Tartoq group supracrustals, southwest Greenland, Precambr. Res., 62, 61–82. Petersen, J. S. and
Book
org/details/geologyofgreenla0000unse Geology of Greenland ™~ i ~ j : . . — ; i ~ - : Arthur Escher...Geological Survey of Greenland 1976 Copyright © The Geological Survey of Greenland, Available from...from The Geological Survey of Greenland @Mster Voldgade 10 DK-1350 Copenhagen Denmark or through your bookseller...ae A/S, Odense 1976 Preface Geology of Greenland aims to provide a concise modern account of...geology. A large part of the exposed bedrock in Greenland is formed of Precambrian crystalline rocks with
Book
org/details/geologyofgreenla0000unse Geology of Greenland = ~ Geology of sreenland Arthur Escher ...Geological Survey of Greenland 1976 Copyright © The Geological Survey of Greenland, Available The from...DK-1350 Denmark or through ISBN 1976 Survey of Greenland 10 Copenhagen your bookseller 87-980404—0-5S... Fabrik A/S, Odense Preface Geology of Greenland aims to provide a concise modern account...geology. A large part of the exposed bedrock in Greenland is formed of Precambrian crystalline rocks with
Journal (article/letter/editorial)
1986). Additionally, gabbroic intrusions in East Greenland locally containing 450% meta-basalt xenoliths...with mixed-layered clays, chlorite, epidote and actinolite forming at greater depths (Ármannsson et al....minerals such as epidote, chlorite and amphibole (actinolite and hornblende) in the basaltic caldera fill of...consistent with outcrop observations in East Greenland Tertiary gabbros (Bird et al., 1985; Brandriss...magma chambers and dikes in eastern Iceland, East Greenland and Scotland may provide further insight into
Journal (issue)
Narssarssuk, Greenland. Photo by R. Bode. TITLE PAGE: The most common mineral in Greenland: ice —making...up the typical Arctic icebergs, ubiquitous in Greenland waters; photo by B. L. Nielsen. This special...AMMASSALIK (ANGMAGSSALIK) GEOLOGICAL MAP OF GREENLAND NUUK (GODTHAB) PAAMIUT (FREDERIKSHAB) ARSUK...Paleozoic and Mesozoic North Greenland platform and fold belt East Greenland Caledonian fold belt P rote...Archaean i 500 km i i i i PREFACE Throughout Greenland there are many interesting mineral localities
Journal (article/letter/editorial)
Gabbros in the Kap Edvard Holm Complex, East Greenland MARK E. BRANDRISS1∗ AND DENNIS K. BIRD2 DEPARTMENT...1999 In the Kap Edvard Holm Complex of East Greenland, layered olivine gabbros host numerous small,...margin of the Kap Edvard Holm Complex in East Greenland, layered gabbros host numerous small, discordant...center in the Kangerdlugssuaq region of East Greenland (Fig. 1). It consists mainly of layered gabbros...body. PL, plagioclase; AUG, augite; A, secondary actinolite. The field of view is 6 mm wide. ultramafic
Journal (article/letter/editorial)
nomenclature places prehnitepumpellyite and prehnite-actinolite facies as intermediate between the zeolite facies...(Z). prehnite-pumpellyite faeies (PP), prehnite-actinolite facies (PA), blueschist facies (BS), greenschist...Iceland basalts), this study (Iceland and East Greenland basalts), Schmidt (1993; North Shore Volcanic...tions of zeolite-zone parageneses in Iceland and Greenland, summarized below. Downloaded by [University...distribution is based on regional mapping in East Greenland (Neuhoff et al., 1997). Grey curve reflects silica
Book (volume)
Cummingtonite—Grunerite Calcic Amphiboles Tremolite—Actinolite—Ferro-actinolite Hornblendes Edenite—Ferro-edenite Ts...1997). (b) Calcium amphiboles Tremolite—Actinolite—Ferro-actinolite Ca>(Mg,Fe**)s[Sig022](OH,F)» Tschermakite...lamellae of ore in the other e.g. cummingtonite in actinolite or hornblende. A similar gap in solid solution...Na (e.g. actinolite-riebeckite), and pairs with and without A-site occupancy (e.g. actinolite-hornblende)...latter category are anthophyllite, tremolite, actinolite, riebeckite (known as crocidolite when asbestiform)
Report (issue)
pyrrhotite, pentlandite, sphalerite, galena, actinolite, “chlorite,” and quartz. A single 10 µm grain...type of Pt deposit, associated with diopside, actinolite, epidote, magnetite, bornite, polydymite, sperrylite...country rocks. Associated minerals are Mg-rich actinolite, clinochlore, chromite, vysotskite-braggite (Fig...inclusions and strings along cleavage fractures in actinolite Fig. 113. Zvyagintsevite reflectance spectra...b. Crocket and Teruta, 1977; c. Gottfried and Greenland, 1972; d. Hertogen et al., 1980; e. Keays and
Report (volume)
greenish to dark colored varieties were termed actinolite or schorl and not distinguished from the minerals...mineralogist, who noticed it in alkaline rocks of Greenland. The name was used for unaltered crystals with...dolomite, and chlorite + dolomite = epidote + actinolite (Fig. 23). In the upper greenschist facies, transitional...to blueschist facies is given by the reaction actinolite + chlorite + albite = epidote + glaucophane +...(1810) Experiments on allanite, a new mineral from Greenland. R Soc Edinburgh Trans 8:371386 Treloar PJ (1987a)
Report (volume)
Mid-Proterozoic alkaline magmatism in southern Greenland: the Gardar province 449 LARSEN, L. M. & SORENSEN...T. F. D. Tertiary alkaline magmatism in East Greenland: a review 489 DOWNES, H. Tertiary and Quaternary...alkaline provinces, such as East Africa, southern Greenland and the Kola Peninsula, are included together...(1983) for the Tupertalik carbonatite in western Greenland. At the present time, alkaline magmas are erupted...The Proterozoic Gardar province in SouthWest Greenland is probably the best studied of these and is reviewed
Book
the Klokken gabbrosyenite complex of Southern Greenland, alternating "granular" and "laminated" syenite...chamber. In the Klokken gabbro-syenite complex, Greenland, granular layers overlying some graded layers...arfvedsonite, and eudialyte in the Ilimaussaq intrusion, Greenland (Ussing, 1911; Ferguson and Pulvertaft, 1963)...layers in the Klokken gabbro-syenite complex, Greenland have been attributed to rhythmic pressure build-up...Figure 20. Layering within the Mikis Fjord Macrodyke, East Greenland, produced as" a result of contact metamorphism
 
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