 | | Journal (article/letter/editorial) | | GR Focus Review High-pressure metamorphism in Antarctica from the Proterozoic to the Cenozoic: A review...2012 Available online 8 August 2012 Keywords: Antarctica Eclogite Garnet peridotite Blueschist-facies...c t The survey of high-P metamorphic rocks in Antarctica can help clarify the geodynamic evolution of...rocks from George V Land containing glaucophane, lawsonite, garnet coronas and symplectites possibly after...blueschist-facies imprint. Many terranes in East Antarctica underwent a tectonometamorphic evolution during |  | | Journal (article/letter/editorial) | | OF THE LAWSONITE-SODIC AMPHIBOLE ASSOCIATION ON SMITH ISLAND, SOUTH SHETLAND ISLANDS. ANTARCTICA SERGIO...unknown. This article reports the presence of lawsonite and sodic amphibole in metamorphic rocks at Cape...quartz and albite. Gray quartzitic phyllites have: lawsonite-white mica (phengite?)--opaques sodic amphibole...characterized by sodic a m p h i b o l e e p i d o t e lawsonite and quartz. Metacherts are gray and very hard...4. Regional significance Tile presence of the lawsonite--sodic amphibole association oil Smith Island |  | | Journal (article/letter/editorial) | | gradients associated with modern subduction. Lawsonite-bearing blueschists and eclogites, and ultrahigh-pressure...crustal rocks exposed on a regional scale in Antarctica that yielded estimates of peak temperature of...eclogite facies; ALE = amphibole-lawsonite eclogite facies; LE = lawsonite-eclogite facies; AE = amphibole-eclogite...1990 2590–2510 Napier Complex, Enderby Land, Antarctica (average 25 samples) 8.9 950 Harley, 1985;...2000 ~510 Prydz Bay, Princes Elizabeth Land, Antarctica (average 16 samples) 7.2 890 Fitzsimons and |  | | Journal (article/letter/editorial) | | olivine, pyroxene, garnet, omphacite, muscovite, lawsonite, epidote, glaucophane, and natural ice in different...effect of lawsonite twinning on the strength of CPO and seismic anisotropy in the lawsonite blueschists...(France) and the Sivrihisar Massif (Turkey). Lawsonite is an important mineral for understanding the...subduction zones. The study concluded that twinned lawsonite could induce substantial seismic anisotropy reduction...particularly for the maximum S-wave anisotropy in lawsonite and whole rocks by up to 3.67% and 1.46%, respectively |  | Ren, Y. F., Chen, D. L., Kelsey, D. E., Gong, X. K., Liu, L., Zhu, X. H., Yang, S. J. (2018) Metamorphic evolution of a newly identified Mesoproterozoic oceanic slice in the Yuka terrane and its implications for a multi-cyclic orogenic history of the North Qaidam UHPM belt. Journal of Metamorphic Geology, 36 (4) 463-488 doi:10.1111/jmg.12300 | Journal (article/letter/editorial) | | stage with the assemblage garnet+omphacite+talc+lawsonite+phengite+quartz at 22.4–23.2 kbar and 585 ºC;...peak stage with the assemblage garnet+omphacite+lawsonite+phengite+coesite at 32.5 kbar and 670 ºC; (3)...garnet+omphacite+kyanite+phengite+coesite/quartz±lawsonite at 27.1–30.0 kbar and 670–690 ºC; and (4) a late...supercontinent and probably close to India, east Antarctica and Tarim; (2) both Mesoproterozoic and Early...previously: phengite eclogite, bimineralic eclogite and lawsonite (pseudomorph)-bearing eclogite (Chen et al., 2005 |  | | Report (chapter) | | a geochemical discrimination plot, summary of lawsonite occurrences and suggestions for future work are...Gondwana, especially in eastern Australia and East Antarctica (Cawood 1984, 2005; Mortimer & Campbell 2014;...bordering SE Gondwana (eastern Australia and East Antarctica). This contrasts with farther north where the...(Western Province) and in eastern Australia and Antarctica. Early Paleozoic metasedimentary rocks (Greenland...Victoria Land, East Antarctica (Robertson Bay Group) and in Marie Byrd Land, West Antarctica (Swanson Formation) |  | | Journal (article/letter/editorial) | | Domain, 309 Alps, 19 anatexis, 107 Anglesey, 591 Antarctica, 33 applicability, 297 aragonite, 603 Archaean...-quartz, 263 LA-ICP-MS, 569 laser Raman, 569 lawsonite, 715, 823 lower crust, 193 low-pressure metamorphism...Clarke, G. L., Powell, R. & Fitzherbert, J. A. The lawsonite paradox: a comparison of field evidence and mineral...Davis, P. B. & Whitney, D. L. Petrogenesis of lawsonite and epidote eclogite and blueschist, Sivrihisar...Bay accretionary complex (north Victoria Land, Antarctica), 33 Saddiqi, O. see Negro, F. Satish-Kumar, |  | | Journal (article/letter/editorial) | | History of Ad61ie Land and King George V Land, Antarctica: Evidence for a Polycyclic Metamorphic Evolution...history of Ad~lie Land and King George V Land, Antarctica: evidence for a polycyclic metamorphic evolution...studies in Ad~lie Land and King George V Land, East Antarctica, show that this part of the East Antarctic Shield...mid-greenschist facies assemblages involving lawsonite. The Cape Hunter phyllites were deposited after...I ....... / ~. =// 80 50 km MerlzGI, ANTARCTICA _ . _ . . euc, . . . . " " ~'v'r'~. ..... |  | | Journal (article/letter/editorial) | | bending in the mica. This was first thought ~o be lawsonite similar in habit to that described by StiUwell...(1918:37) as occurring in an actinolite schist from Antarctica. Subsequently, Joplin (1936: 79) identified this...and noted ' . . . clinozoisite, prelmite and lawsonite (?) . . . ' as secondary deuterie phrases occurring...schist (no. 635) from Adelie Land, Antarctica in which lawsonite ' . . . is frequently found in parallel...analysis. We found no evidence for the presence of lawsonite within the biotites. Since commencing this study |  | | Journal (article/letter/editorial) | | initiation of compressive regime along Australia and Antarctica formed constructive tectonism for passive western...Some of the eclogitic parts contain lawsonite. The age of the lawsonite eclogite is not yet measured, but...Iiesenrck, V 2, N o . 2, I999 Dalzie1,I.W.D. (1992)Antarctica: A tale of two supercontinent? Ann. Rev.Earth...part of the missing link between Australia-East Antarctica and Laurentia? Geology, v.23, pp.407-420. Park |  | | Journal (article/letter/editorial) | | (AEM), 761 Anatolide belt, 699 anorthosite, 771 Antarctica, 285 anticlockwise P–T paths, 285 anti-clockwise...Massif, 515, 579 Koralpe, 377 Kotsu area, 363 lawsonite pseudomorph, 723 low d18O, 579 low-P/high-T metamorphism...Canada, 81 Ballevre, M., Pitra, P. & Bohn, M. Lawsonite growth in the epidote blueschists from the Ile...Lake, northern Prince Charles Mountains, east Antarctica; evidence for an anticlockwise P–T path, 285 |  | | Journal (article/letter/editorial) | | high-pressureconditions indicatesthat zoisite and lawsonite are stable at up to 6.7 and 9.2 Gpa, respectively...'C (Schmidt and Poli 1994).Thus, zoisite and lawsonite appearto be major CaAl silicates within subduction...subduction zones, even at depths of >150 km. Lawsonite coexisting with epidote in high pZ Sanbagawametamorphicrocks...Enami, unpublished data). These data imply that lawsonite is a possible alternative Sr reservoir at depths...magmas.The highpressurestability of zoisite and lawsonite, however, implies that these minerals could contribute |  | | Journal (article/letter/editorial) | | 51 analytical electron microscopy, 349, 451 Antarctica, 225 application, 497 40 Ar-39Ar dating, 831...587 dual origin, 873 Early Palaeozoic, 285 East Antarctica, 855 eastern Himalaya, 51 eclogite, 37, 97, 165...kyanite, 117 kyanite eclogite, 953 lawsonite and carpholite, 547 lawsonite-bearing eclogite, 285 low-grade...study of shear zones in northern Victoria Land (Antarctica): implications for geochronology and localized...metamorphism in MacRobertson and Kemp Lands, east Antarctica, 683 Harris, C. R., Hoisch, T. D. & Wells, M |  | | Journal (article/letter/editorial) | | analysis of reactions and phase relations among lawsonite, pumpellyite, epidote and associatedminerals....schistsof the Franciscan(e.9., PanochePass)where lawsonite is present in nearly all lithologies, to the relatively...sequence,in order of increasingtemperature, are: (l) lawsonite + Na-amphibole : epidote + quartz + albite + chlorite...assemblage quartz + albite + chlorite + phengite * lawsonite, with sporadic occurrence of aragoniteand epidote...aegerine-rich pyroxene are rare additional phases. Lawsonite occurs in some basic schists. but not in associationwith |  | Whitney, Donna L., Fornash, Katherine F., Kang, Patricia, Ghent, Edward D., Martin, Laure, Okay, Aral I., Vitale Brovarone, Alberto (2020) Lawsonite composition and zoning as tracers of subduction processes: A global review. Lithos, 370. 105636pp. doi:10.1016/j.lithos.2020.105636 | Journal (article/letter/editorial) | | Journal Pre-proof Lawsonite composition and zoning as tracers of subduction processes: A global review...D.L. Whitney, K.F. Fornash, P. Kang, et al., Lawsonite composition and zoning as tracers of subduction...2020 Published by Elsevier. Journal Pre-proof Lawsonite composition and zoning as tracers of subduction...France * Corresponding author. -p Abstract Lawsonite is an abundant hydrous mineral in oceanic crust...retrograde metamorphism. Owing to the significance of lawsonite for water and element cycling na in subduction |  | | Journal (article/letter/editorial) | | and Eu changes associated with plagioclase and lawsonite. As mineralogy is a dominant control, the nature...(e.g., plagioclase in Barrovian metamorphism, lawsonite in subduction zones). Extensive mobilization of...settings, this role can be played by phases such as lawsonite or epidote group minerals). * E-mail: jay.ague@yale...gneiss at pegmatite contact, Napier Complex, East Antarctica. (6) Carson and Ague (2008), Figure 6a. Series...also shown in Figure 12. REEMax = Gd (120%) Eu4 Lawsonite metasomatism in blueschist facies metapelites |  | Kim, Taehwan, Kim, Yoonsup, Cho, Moonsup, Lee, Jong Ik (2019) P–Tevolution and episodic zircon growth in barroisite eclogites of the Lanterman Range, northern Victoria Land, Antarctica. Journal of Metamorphic Geology, 37 (4) 509-537 doi:10.1111/jmg.12474 | Journal (article/letter/editorial) | | the Lanterman Range, northern Victoria Land, Antarctica Taehwan Kim1, Yoonsup Kim2,*, Moonsup Cho2,...the Lanterman Range, northern Victoria Land, Antarctica, which are relatively uncommon but free of retrogression...such studies in the Transantarctic Mountains, Antarctica, is the barroisite eclogite rarely reported from...& Fuck, 2005). Pure end-member phases include lawsonite, kyanite, quartz/coesite, and H2O. H2O is set...occurrences, including the Lanterman Range of NVL, Antarctica (Di Vincenzo et al., 2016) as well as other medium-T |  | | Journal (article/letter/editorial) | | greenschist; HGR: high-grade granulite; and Lw-EC: lawsonite–eclogite. Z. Zhang et al. report mineral and...metamorphic rocks from the Lützow–Holm Complex in East Antarctica. These rocks show a systematic difference between...process based on a review of worldwide lawsonite eclogites. Lawsonite eclogites occur at active margin settings...exhumation. From the earliest occurrences of lawsonite–eclogite facies mineral assemblages in early Paleozoic...Maruyama, S., 1999. The high pressure synthesis of lawsonite in the MORB + H2O system. American Mineralogist |  | | Journal (article/letter/editorial) | | metasomatism at high-pressure metamorphic conditions: Lawsonite decomposition in rodingitized ultramafite of the...Complex in the Southern Urals. Pseudomorphs after lawsonite, resorption of garnet by chlorite and phengite...phengite and stoichiometry suggest the reaction lawsonite + garnet + K-bearing fluid fi clinozoisite + chlorite...assemblage of lawsonite + garnet + chlorite + titanite ± epidote as well as a later post-lawsonite assemblage...phengite + chlorite + titanite. The reaction lawsonite + titanite fi clinozoisite + rutile + pyrophyllite |  | | Journal (article/letter/editorial) | | (4),2r 123-135 (1896)' ON THE MINERALOGY OF ANTARCTICA DuNc.qN SrnwAnt, Jr.., Corleton College,Northf'eld...Christensen(Christensen-Vulkan)of Robert' son Island, West Antarctica. The following is a list of the 167 mineral species'subspecies...questionable occurrence, that have been reported from Antarctica. A number of these have been determined only... Kornerupine? Kyanite Labradorite Laumontite Lawsonite Lepidolite Lepidomelane Leucite Leucoxene Limonite...petrography. II. Rocks from Ingrid Christensens Land, Antarctica. Sci. Res. Norwegian Antarctic Exped'. 1927-1928 |  | | Journal (article/letter/editorial) | | C and pressures less than coesite stability, lawsonite eclogites and common low-temperature eclogites...regard to H2O content with the lower-temperature lawsonite eclogites requiring higher H2O contents. Since...around the peak stage is garnet + omphacite + lawsonite + talc + phengite + coesite ± glaucophane ± kyanite...decompression stage is characterized by breakdown of lawsonite, releasing 70–90% of the H2O bound in the peak...corona textures from Macrobertson Land, East Antarctica – the importance of Fe2O3 and TiO2 in accounting |  | | Journal (article/letter/editorial) | | aggregates are interpreted as pseudomorphs after lawsonite that was stable during the prograde to the UHP...thermal gradient (b6 °C/km), and the products of lawsonite decomposition indicate that fluids can be generated...involved in the early Italian research activities in Antarctica, and made significant contributions in modeling...orogenic belts in the western Alps, the Himalaya and Antarctica. Bruno began his scientific carrier in the early |  | | Journal (article/letter/editorial) | | USA F. Z. Page, E. J. Essene and S. B. Mukasa Lawsonite growth in the epidote blueschists from the Ile...metamorphism in the Rauer Group, Prydz Bay, east Antarctica D. E. Kelsey, R. W. White, R. Powell, C. J. L |  | | Journal (article/letter/editorial) | | metamorphism — an example from Lützow-Holm Complex, East Antarctica ･･･････････････････････････････････････････････････････Tetsuo...southwestern part of Sør Rondane Mountains, East Antarctica: Constraint on the Pan-African suture event･...ISHIBASHI, Hiroaki SATO ･･････ Analysis of Mn-bearing lawsonite occurring in meta-siliceous rocks in Hakoishi |  | | Journal (article/letter/editorial) | | diopside, 89 ductile deformation, 327, 523,827 east Antarctica, 557, 853 Eastern Alps, 695 eastern China, 169...455 jadeitite, 49 KFMASH, 99 laser analysis, 89 lawsonite, 23 low-grade metamorphism, 237 low-grade pelites...granulite facies marbles of the Rauer Greoup, East Antarctica, 285 Busa, M. D. see Gray, N. H. |
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