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هیبت‌نژاد, محسن, ملکزاده شفارودی, آزاده, نادرمزرجی, سمانه. (1404). کانی‌سازی، زمین‌شیمی و ریزدماسنجی میانبارهای سیال در منطقه اکتشافی سیاجک، جنوب زاهدان، ایران. مجله زمین شیمی ایران, 30(4), 583-598. doi: 10.52547/ijcm.30.4.583
محسن هیبت‌نژاد; آزاده ملکزاده شفارودی; سمانه نادرمزرجی. "کانی‌سازی، زمین‌شیمی و ریزدماسنجی میانبارهای سیال در منطقه اکتشافی سیاجک، جنوب زاهدان، ایران". مجله زمین شیمی ایران, 30, 4, 1404, 583-598. doi: 10.52547/ijcm.30.4.583
هیبت‌نژاد, محسن, ملکزاده شفارودی, آزاده, نادرمزرجی, سمانه. (1404). 'کانی‌سازی، زمین‌شیمی و ریزدماسنجی میانبارهای سیال در منطقه اکتشافی سیاجک، جنوب زاهدان، ایران', مجله زمین شیمی ایران, 30(4), pp. 583-598. doi: 10.52547/ijcm.30.4.583
هیبت‌نژاد, محسن, ملکزاده شفارودی, آزاده, نادرمزرجی, سمانه. کانی‌سازی، زمین‌شیمی و ریزدماسنجی میانبارهای سیال در منطقه اکتشافی سیاجک، جنوب زاهدان، ایران. مجله زمین شیمی ایران, 1404; 30(4): 583-598. doi: 10.52547/ijcm.30.4.583

کانی‌سازی، زمین‌شیمی و ریزدماسنجی میانبارهای سیال در منطقه اکتشافی سیاجک، جنوب زاهدان، ایران

مجله بلورشناسی و کانی شناسی ایران
مقاله 1، دوره 30، شماره 4 - شماره پیاپی 90، دی 1401، صفحه 583-598    اصل مقاله (6.43 M)
شناسه دیجیتال (DOI): 10.52547/ijcm.30.4.583
نویسندگان
محسن هیبت‌نژاد؛ آزاده ملکزاده شفارودی* ؛ سمانه نادرمزرجی
دانشگاه فردوسی مشهد
چکیده
منطقه سیاجک در پهنه جوش‌خورده سیستان و در جنوب زاهدان قرار دارد. واحدهای سنگی منطقه شامل واحدهای دگرگونی، رسوبی و توده‌های نفوذی است. واحد آمفیبولیت بیشترین گسترش را دارد. مهم‌ترین دگرسانی­های منطقه سیلیسی و پروپلیتی هستند. کانی­سازی در قالب رگچه کوارتز+کالکوپیریت+پیریت و رگه کوارتز+گوتیت در سنگ میزبان آمفیبولیت با راستای شمال غربی- جنوب شرقی و شرقی- غربی دیده می­شود. کالکوپیریت و پیریت کانی­های اولیه و کوولیت، کالکوسیت، مالاکیت، آزوریت، هماتیت و گوتیت کانی­های ثانویه هستند. براساس نتایج تجزیه زمین­شیمی، بالاترین مقدار مس 2/3 درصد، سرب و روی به ترتیب 218 و 150 گرم در  تن و طلا 174 میلی­گرم در تن است. بر اساس بررسی‌ها، میانبارهای سیال دارای دمای همگن شدگی 300-163 درجه سانتی‌گراد هستند و از محلولی شامل NaCl با درجه شوری 5/13-10 درصد وزنی تشکیل شده­اند. کاهش دما مهم‌ترین عامل ته‌نشست کانی‌های سولفیدی است. بر پایه دما و شوری محلول کانه­دار، کنترل ساختاری کانی­سازی، نوع دگرسانی و گسترش آن و کانی­شناسی ساده، منطقه سیاجک از نوع مس رگه­ای است.     
کلیدواژه‌ها
کانی‌سازی؛ زمین شیمی؛ میانبارهای سیال؛ سیاجک؛ پهنه جوش‌خورده سیستان
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