Journals / Turkish Journal of Earth Sciences / 2016 / Cilt: 25 - Sayı: 3

Sulfur isotope study of vent chimneys from Upper Cretaceous volcanogenic massive sulfide deposits of the eastern Pontide metallogenic belt, NE Turkey

Pages
227–241
Publication Date
2022-11-05
DOI
—
🏛️Bibliographic metadata and full text access for this article are provided via DergiPark.
DergiPark Record ↗
✨

AI Summary & Key Takeaways

AI Insight
⚡ TL;DR(Too Long; Didn't Read)

The range is similar to, but slightly broader than, the range of values reported for modern vent chimneys and ancient vent chimneys from the Yaman-Kasy deposit.

📌 3 Key Takeaways

🎯
Objective & Hypothesis:We obtained sulfur isotope analysis results of sulfide samples from hydrothermal vent chimneys of the eastern Pontide volcanogenic massive sulfide (VMS) deposits.
📊
Key Findings & Data:The total range of δ34S values for vent chimneys in the eastern Pontide VMS deposits is 2.7 to 6.5 per mil.
💡
Conclusion & Impact:The range is similar to, but slightly broader than, the range of values reported for modern vent chimneys and ancient vent chimneys from the Yaman-Kasy deposit.
🔬Design:Research Article
📍Scope:Comprehensive Sample
⚙️Variables:Domain Parameters

Abstract

We obtained sulfur isotope analysis results of sulfide samples from hydrothermal vent chimneys of the eastern Pontide volcanogenic massive sulfide (VMS) deposits. The total range of δ34S values for vent chimneys in the eastern Pontide VMS deposits is 2.7 to 6.5 per mil. Sulfide δ34S values show narrow variation in the Lahanos, Killik, and Kutlular deposits, but wider variation in the Kızılkaya and Çayeli deposits. The δ34S values of sulfides in Çayeli chimney samples gave a slightly higher range than the other Pontide chimney samples. In some samples, a rough isotopic zonation pattern was observed throughout chimney zones. Variations in δ34S values of sulfides within chimney walls were probably caused by chemical reactions of reprecipitation and replacement between vent fluids and earlier sulfide minerals in the chimney. Ranges of δ34S values of sulfide minerals are similar for different deposits within the same region. Variations in the δ34S values of the Pontide deposits appear to be geographic rather than stratigraphic. The sulfur isotope values of the deposits have a narrow compositional range, indicative of a fairly specific origin. Although deep-seated sulfur may be a potential source in the Pontide district, a significant contribution of seawater sulfate cannot be ruled out. The δ34S values of selected samples from Pontide vent chimneys are within the range of sulfur values obtained from Phanerozoic VMS deposits. The range is similar to, but slightly broader than, the range of values reported for modern vent chimneys and ancient vent chimneys from the Yaman-Kasy deposit.

🔖

Cite This Article

GENÇ, Y., MASLENNIKOVA, S. P., SADYKOV, S. A., DELİBAŞ, O., REVAN, M. K., MASLENNIKOV, V. V. (2022). Sulfur isotope study of vent chimneys from Upper Cretaceous volcanogenic massive sulfide deposits of the eastern Pontide metallogenic belt, NE Turkey. Turkish Journal of Earth Sciences, Cilt: 25 - Sayı: 3, 227–241. https://ajindex.com/articles/603118

📄 Full Text PDF Viewer

📄

PDF görüntüleyici hazırlanıyor...

References (1)

  1. Adamia SA, Zakariadze CS, Lordkipanidze MB (1977). Evolution of the ancient active continental margin as illustrated by Alpine history of the Caucasus. Geotectonica 11: 20–309. Ağar Ü (1977). Demirözü (Bayburt) ve Köse (Kelkit) bölgesinin jeolojisi. PhD, İstanbul University, İstanbul, Turkey (in Turkish). Akın H (1979). Geologie Magmatismus und Lagerstaettenbildung im ostpontischen Gebirge-Türkei aus der Sicht der Plattentek-tonik. Geologische Rundschau 68: 253–283 (in German). Allen RL, Weihed P, The Global VMS Research Project Team (2002). Global comparison of volcanic-associated massive sulphide districts. In: Blundel DJ, Neubauer F, von Quadt A, editors. The Timing and Location of Major Ore Deposits in an Evolving Orogen. London, UK: Geological Society Special Publications, pp. 13–37. Arnold M, Sheppard SMF (1981). East Pacific Rise at latitude 21°N; isotopic composition and origin of the hydrothermal sulphur. Earth Planet Sci Lett 56: 148–156. Bluth GJ, Ohmoto H (1988). Sulfide-sulfate chimneys on the East Pacific Rise, 11° and 13°N latitudes, part II. Sulfur isotopes. Canadian Miner 26: 505–515. Butler IB, Fallick AE, Nesbitt RW (1998). Mineralogy, sulfur isotope geochemistry and the development of sulphide structures at the Broken Spur hydrothermal vent site, 29°10′N, Mid-Atlantic Ridge. J Geol Soc London Spec Publ 155: 773–785. Çağatay MN, Eastoe CJ (1995). A sulfur isotope study of volcanogenic massive sulfide deposits of the Eastern Black Sea Province, Turkey. Miner Deposita 30: 55–66. Çamur MZ, Güven IH, Er M (1996). Geochemical characteristics of the eastern Pontide volcanics, Turkey: An example of multiple volcanic cycles in arc evolution. Turkish J Earth Sci 5: 123–144. Çiftçi E (2000). Mineralogy, paragenetic sequence, geochemistry and genesis of the gold and silver bearing Upper Cretaceous mineral deposits, Northeastern Turkey. PhD, University of Missouri, Rolla, MO, USA. Çiftçi E (2004). Mineralogy and geochemistry of volcanogenic massive sulfide deposits (VMS) of the eastern Pontides (NE Turkey). In: 57th Geological Congress of Turkey. Abstracts, pp. 121–122. Çiftçi E, Yalçın MG, Hagni RD (2004). Significant characteristics of volcanogenic massive sulfide deposits of the Eastern Pontides (NE Turkey): a through comparison to Japanese kuroko deposits. In: Pecchio M, Andrade FRD, D’Agostino LZD, Kahn H, Sant’Agostino LM, Tassinari MMML, editors. Applied Mineralogy. Sao Paulo, Brazil: ICAM-BR, pp. 873–876. Çoğulu HE (1975). Gümüşhane ve Rize