اکتشاف عناصر خاکی نادر با استفاده از پرتوزایی؛ مطالعه موردی: معدن باغک، سنگان

نوع مقاله: مقاله پژوهشی

نویسندگان

1 گروه اکتشاف، دانشکده مهندسی معدن و متالورژی، دانشگاه صنعتی امیرکبیر

2 گروه اکتشاف، شرکت اسکام

3 دانشگاه جامع علمی کاربردی، مجتمع سنگ آهن سنگان

چکیده

با تکیه بر پرتوزایی و با کمک روش پرتوسنجی، نمونه‌برداری از معدن باغک در معادن سنگان به انجام رسید. در اکثر موقعیت‌های پی‌جویی اورانیم انجام شده در ایران، به‌ویژه در پهنه‌ی ایران مرکزی، همراهی و غنی‌شدگی عناصر خاکی نادر از عوارض معمول شناخته شده است. مشاهده‌ی ارتباط بین عناصر خاکی نادر و پرتوزا سبب شده است که بررسی ارتباط آن‌ها در انواع دیگری از کانی‌سازی نیز مدنظر قرار گیرد و در صورت وجود چنین ارتباطی، در اکتشاف این عناصر از خاصیت پرتوزایی بهره گرفته شود. در واقع هدف مطالعه، بررسی وجود یا عدم وجود چنین ارتباطی در یک معدن اسکارنی به عنوان یک مطالعه‌ی موردی متفاوت با کانی‌سازی‌های ایران مرکزی و در صورت وجود آن، ارایه‌ی یک روش اکتشافی و الگوی نمونه‌برداری بهینه برای کشف این عناصر است. یافته‌ها نشان می‌دهد که علاوه بر وجود چنین ارتباطی در برخی کانی‌سازی‌های مربوط به ایران مرکزی، ارتباط و همبستگی بسیار قابل قبولی بین این عناصر در یک معدن دیگر با کانی‌سازی نوع آهن- اسکارن در سنگان نیز وجود دارد. در نهایت می‌توان اذعان داشت که با توجه به مشاهده‌ی چنین ارتباطی بین این دو دسته از عناصر در چندین کانی‌سازی متفاوت و وجود شباهت‌هایی از نظر ژئوشیمی، ضرورت مطالعه‌ی بیش‌تر و دقیق‌تر در آن به منظور معرفی روش‌های پرتوسنجی به عنوان روش‌هایی مؤثر در اکتشاف عناصر خاکی نادر، کاملاً احساس می‌شود. فکر و روش معرفی شده در این پژوهش برای کشف عناصر خاکی نادر، می‌تواند به کمک بررسی‌های تکمیلی در این مورد، دیدگاه مناسبی را در پیش روی تصمیم‌گیران این صنعت قرار دهد.

کلیدواژه‌ها


عنوان مقاله [English]

Exploration of REE Using Radioactivity; Case Study: Baghak Mine, Sangan

نویسندگان [English]

  • S. S Ghannadpour 1
  • A Hezarkhani 1
  • Sh Noorian 2
  • A Golmohammadi 3
1 Exploration Group, Department of Mining & Metallurgical Engineering, Amirkabir University of Technology (Tehran Polytechnic),
2 Exploration Group, Skam Company
3 University of Applied Science and Technology, Sangan Iron Ore Complex
چکیده [English]

In current study, sampling from Baghak mine in Sangan mines has been carried out based on radioactivity and radiation measurement method. In most projects that have been carried out in Iran for the uranium prospecting, especially in the central part of Iran, enrichment of rare earth elements (REEs) are known in keeping with uranium as a common feature. The association of these elements with U has caused to investigate their connections with other types of mineralizations. In fact the goal of this study is to survey the presence or absence of such a connection in a skarn mine which is a different case study from the central part of Iran. In case of their presence, this will lead to a new exploration method and sampling pattern for REEs. The results show that in addition to existence of this connection in some mineralizations of the Central Iran, an acceptable correlation is also observed between the REEs and radioactive elements in another iron skarn deposit. Finally, it can be explained that according to existence of such a connection between rare earth and radioactive elements in several different types of mineralizations, and based on the geochemical similarities, the need for more accurate studies is completely felt in order to introduce radiation measurement methods as effective approaches to explore REEs. The idea and the introduced method for the exploration of REEs in this study can provide a new viewpoint for the decision makers in this industry upon using further studies in this respect.

کلیدواژه‌ها [English]

  • Radiation measurement methods
  • Rare earth elements
  • Radioactive Elements
  • Baghak mine
  • Sangan
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