Basalts from Leg 6 of the Deep-Sea Drilling Project

Ridley, W. I.; Rhodes, J. M.; Reid, A. M.; Jakeš, P.; Shih, C. Y.; Bass, M. N.

doi:10.1093/petrology/15.1.140

Cited by 147 publications

(43 citation statements)

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“…Similar correlation plots were proposed by Ridley et al (1974) who used the alteration-resistant element pairs P2O5-T1O2 ( Figure 14) and Zr-Sr ( Figure 13) to outline fields for ocean ridge basalts, ocean islands tholeiites, and alkali basalts.…”

Section: Alteration Problemssupporting

confidence: 68%

“…The division of the two groups is also found, if we use less resistant elements like phosphorus and strontium (Figures 13, 14). According to the proposal of Ridley et al, (1974), "Ocean Ridge Basalts" can be divided from "Ocean Island Tholeiite," which correspond to the "Within Plate Basalt" of Cann (1971). In these correlation plots, again, only the rocks of Sites 342, 345, and 350 show an "Ocean Island Tholeiite" trend.…”

Section: Alteration Problemsmentioning

confidence: 98%

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Geochemistry of Basalts from the Norwegian-Greenland Sea, Leg 38, DSDP

Raschka¹,

Eckhardt²

1976

Initial Reports of the Deep Sea Drilling Project

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Section: Alteration Problemssupporting

confidence: 68%

Section: Alteration Problemsmentioning

confidence: 98%

Geochemistry of Basalts from the Norwegian-Greenland Sea, Leg 38, DSDP

Raschka¹,

Eckhardt²

1976

Initial Reports of the Deep Sea Drilling Project

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“…(Güner, 1980). Figure 6-The variation of P 2 O 5 among basaltoids around Küre with respect to TiO 2 according to Ridley et al (1974) (Güner, 1980). Black shales are nearly 150 m thick in Aşıköy village (Çağatay and Arda, 1984).…”

Section: Geology Of the Study Areamentioning

confidence: 99%

The Secrets of Massive Sulfide Deposits on Mid-Ocean Ridges and Küre- Mağaradoruk Copper Deposit

Altun¹,

Yılmaz²,

Şiner³

et al. 2015

Bull.Min.Res.Exp.

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Küre region is located in western part of the Pontide tectonic belt. The oldest rocks around Küre are Paleozoic metamorphic rocks constituting "Rhodope-Pontide" continent. Liassic-pre Liassic ophiolites and basaltic volcanics, which form Paleotethys Ocean Floor are situated on "Rhodope-Pontide" continent as Paleotethys Ocean Floor residuals. Massive sulfide deposits in Küre Region are closely associated with pre Liassic -Liassic basaltic volcanics and intercalating black shale. These deposits are considered to have formed during hydrothermal mineralization processes when basaltic volcanism had stopped and defined as "Black Smoker" today. Massive sulfide bodies in Mağaradoruk copper deposits are lens shaped. Although ore lenses take place sometimes in basalts and black shales, they are generally located on basalts and are covered by black shales. In Küre region, fold structures are intensely observed, and Mağaradoruk deposit is located on western flank of an overturned anticline. Mağaradoruk deposit is formed by several small and a big ore body and by less developed, underlying stockwork disseminated ore. The big ore body is 600 m long, 250 m wide and nearly 40 m thick. As main ore minerals; pyrite and chalcopyrite are observed. In few amounts; marcasite, magnetite, hematite, sphalerite, covelline, neo-digenite, malachite, azurite, fahlers are seen. In fewer amounts; bravoite, lineiite (karolite), limonite, and in trace amounts; chromite, rutile anatase, chalcosine, cuprite, tenorite, pyrrhotite, valleriite, bornite, galenite, native copper and native gold are observed. Main gangue minerals are; quartz, siderite-ankerite calcite, dolomite and chlorite. Mağaradoruk massive sulfide deposit rocks resembles to Siirt Madenköy, Ergani massive sulfide deposits, to "Cyprus" type massive sulfide deposits and modern Cyprus type massive sulfide deposits in terms of mineral contents; and to Ergani Mihrapdağı, Papuke, Pakotai and Parakoa deposits in terms of cover rocks, which are Cyprus type massive sulfide deposits, in New Zealand.

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“…% A1 2 O 3 in rock Figure 5. Wt <‰A^O^ in spinel versus wt %Al^O^ in rock for MAR basalts (filled circles; Sigurdsson and Schilling, in preparation), Leg 37 lavas (triangles), other terrestrial basalts (open circles;Hill and Roeder, 1974;Frey et al, 1974;Ridley et al, 1974;Liou, 1974), in lunar rocks (open squares;Green et al, 1971;Cameron et al, 1973;Kushiro, 1972;), and in synthetic pyrolite (Green, 1973). Squares A and B are liquidus spinels crystallized from Apollo 14 rock at 5 and 7 kb, respectively (Green et al, 1972).…”

mentioning

confidence: 99%

Spinels in Leg 37 Basalts and Peridotites: Phase Chemistry and Zoning

Sigurdsson¹

1977

Initial Reports of the Deep Sea Drilling Project

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Basalts from Leg 6 of the Deep-Sea Drilling Project

Cited by 147 publications

References 0 publications

Geochemistry of Basalts from the Norwegian-Greenland Sea, Leg 38, DSDP

Geochemistry of Basalts from the Norwegian-Greenland Sea, Leg 38, DSDP

The Secrets of Massive Sulfide Deposits on Mid-Ocean Ridges and Küre- Mağaradoruk Copper Deposit

Spinels in Leg 37 Basalts and Peridotites: Phase Chemistry and Zoning

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