Formation of jasper and andradite during low-temperature hydrothermal seafloor metamorphism, Ongeluk Formation, South Africa

Contributions to Mineralogy and Petrology

Volumn 142, Issue 1, 2001, Pages 27-42

  Gutzmer, J ^a   Pack, A ^b   Luders V ^c   Wilkinson, J J ^d   Beukes, N J ^a   van Niekerk, H S ^a  

^a UNIVERSITY OF JOHANNESBURG   (South Africa)

^b Mineralogisches Institut und Museum   (Germany)

^c GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

^d IMPERIAL COLLEGE LONDON   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

ANDRADITE; GARNET; HYDROTHERMAL ALTERATION; JASPER; METAMORPHISM; SEAFLOOR;

SOUTH AFRICA;

EID: 0034760813     PISSN: 00107999     EISSN: None     Source Type: Journal    
DOI: 10.1007/s004100100270     Document Type: Article

References (72)

1. Hydrothermal chert and associated siliceous rocks from the Northern Pacific: Their geological significance as indication of ocean ridge activity
2. Alteration of the upper oceanic crust, DSDP site 417; mineralogy and chemistry
3. Pb, O, and C isotopes in silicified Mooidraai dolomite (Transvaal Supergroup, South Africa): Implications for the composition of Paleoproterozoic seawater and "dating" the increase of oxygen in the Precambrian atmosphere
4. Adaptation to microcomputer of the Appleman-Evans program for indexing and least-square refinement of powder-diffraction data for unit-cell dimension
5. Hydrothermal andradite garnets in low-grade metamorphised pillow-lavas
6. Oxygen isotope partitioning among the minerals in igneous and metamorphic rocks
7. Isotopic composition of hydrothermal precipitates from the Mariana Trough
8. Timing of carbonate mineral precipitation and fluid flow in sea-floor basalts, Northwest Indian Ocean
9. Improved detection limits for transient signal analysis of fluid inclusions by inductively coupled plasma atomic emission spectrometry using correlated background correction
10. Andradite and andradite-grossular solid solutions in very low-grade regionally metamorphosed rocks in Southern New Zealand
11. The Ongeluk basaltic andesite formation in Griqualand West, South Africa: Submarine alteration in a 2, 222 Ma Proterozoic sea
12. 2O
13. Two-garnet rodingite from Amador County, California
14. Low-temperature metasomatic garnets in marine sediments
15. Hydrothermal activity in the Lau backarc basin: Sulfides and water chemistry
16. Tectonic control of chemical and isotopic composition of ancient oceans: The impact of continental growth
17. Oxygen isotope history of seawater revisited: Timescale for boundary event changes in the oxygen isotope composition of seawater
18. Pillow lavas and hyaloclastites in the Ongeluk andesite formation in a road-cut West of Griquatown, South Africa
19. Growth history of hydrothermal black smoker chimneys
20. Composition and origin of hydrothermal ironstones from Central Pacific seamounts
21. Petrological and geochemical study of spilites and associated rocks from St John, US Virgin Islands
22. Hydrothermal Fe and Si oxihydroxide deposits from South Pacific intraplate volcanoes and East Pacific rise axial and off-axial regions
23. Hydrothermal silica chimney fields in the Galapagos spreading center
24. Oxygen isotope thermometry based in a refined increment method and its application to granulite-grade rocks from Sri Lanka
25. Inferred oxygen isotope profile of Archean oceanic crust, Onverwacht Group, South Africa
26. 16O ratio of 2-billion-year-old seawater inferred from ancient oceanic crust
27. Trace element mobility during hydrothermal alteration of oceanic basalts
28. Low-grade metamorphism of the Takitimu group, Western Southland, New Zealand
29. Chemistry of ore-forming fluids and mineral formation rates in an active hydrothermal sulfide deposit on the Mid-Atlantic ridge
30. Regional metamorphic zonation as an aid in study of Archean terrains: Abitibi region, Ontario
31. Degradation and metamorphic differentiation of the Keweenawan tholeiitic lavas of Northern Michigan, USA
32. Découverte de grenat andradite dans les bréches spilitiques de la base du complexe volcanique sous-marin de Sayrun, dans la province d'Antalya (Taurus lycien, Turquie)
33. The implication of the oxygen isotope records in coexisting cherts and phosphates
34. Petrogenesis of chert
35. Oxygen isotope geochemistry of cherts from the Onverwacht group (3.4 billion years), Transvaal, South Africa, with implications for the secular variations in the isotopic composition of cherts
36. Burial metamorphism of the Karmutsen volcanic rocks, Northeastern Vancouver Island, British Columbia
37. Zonation of low-grade regional metamorphic rocks, Nambucca slate belt, Northeastern New South Wales
38. Oxygen isotope fractionation between grossular-spessartine garnet and water: An experimental investigation
39. Oxygen isotope geothermometers for metamorphic rocks
40. Physicochemical environments for the formation of quartz-free manganese oxide ores from early Proterozoic Hotazel formation, Kalahari manganese field, South Africa
41. Oxygen isotope composition of the oceanic crust and its bearing seawater
42. Subaerial volcanism in the Paleoproterozoic Hekpoort formation (Transvaal Supergroup) Kaapvaal Craton
43. The oxygen isotope geochemistry of ancient cherts
44. Oxygen isotope geochemistry of Proterozoic chemical sediments
45. Significance of oxygen and carbon isotope variations in early Precambrian cherts and carbonate rocks of Southern Africa
46. A water-bearing andradite from the Totalp serpentine (Davos, Switzerland)
47. Current developments and applications of decrepitation-linked and laser-ablation-linked ICP techniques for the geochemical analysis of fluid inclusions in minerals
48. The application of the incremental method in comparison with experimentally derived calculated O-isotope fractionations
49. Carbon and oxygen isotope variations in Precambrian cherts
50. Fluid inclusions
51. Equilibrium garnet-calcite oxygen isotope fractionation
52. The effect of temperature on metal mobility in subseafloor hydrothermal systems: Constraints from basalt alteration experiments
53. Chemical characters of the grossularite-andradite mineral series in rodingites
54. Hydrothermal alteration of basalt by seawater under seawater-dominated conditions
55. Diagrams for the correlation of unit cell edges and refractive indices with the chemical compositions of garnet
56. Growth history of a hydrothermal silica chimney from the Mariana backarc spreading center (Southwest Pacific, 18°13'N)
57. Garnet from the Mid-Atlantic Ridge near 43°N latitude
58. Low-temperature stability of andradite in C-O-H fluids
59. New discovery of fumarolitic garnets (Fant'Ale, Ethiopia)
60. The origin of fumarolitic andradite at Menoyre, France and Fant'Ale, Ethiopia
61. Sulphide solid inclusions in quartz crystals from the Northern Cape Province, South Africa
62. Seafloor hydrothermal activity: Black smoker chemistry and chimneys
63. Evolution of the oceans and the origin of fine-grained dolomites
64. Variegated garnet-bearing jasper of the Southern Urals
65. Calculation of oxygen isotope fractionation in anhydrous silicate minerals