ارزیابی مناسب‌ بودن ماسه‌ سنگ پاب برای کاربردهای صنعتی، محدوده پاب جنوبی پاکستان

نوع مقاله : مقاله پژوهشی

نویسندگان

• عدنان خان ¹
• محمد تاج الدین ²
• عمیر ماجد ³
• محمد فیضان رحیم ⁴

¹ استادیار، گروه زمین‌شناسی، دانشگاه کراچی، کراچی، پاکستان

² کارشناسی ارشد، گروه زمین‌شناسی، دانشگاه کراچی، کراچی، پاکستان

³ دانشجوی دکتری، سازمان زمین‌شناسی پاکستان، کراچی، پاکستان

⁴ کارشناسی ارشد، شرکت سیمان کوهات، کوهات، پاکستان

10.22067/econg.2023.81390.1070

چکیده

ویژگی‌های فیزیکوشیمیایی ماسه‌سنگ پاب سن کرتاسه برای کاربردهای صنعتی آن انجام‌شد. برای این منظور، نمونه‌های ماسه‌سنگی (25=n) برای آنالیز سنگ‌نگاری و زمین‌شیمیایی از محدوده پاب منطقه خوزدر جمع‌آوری شد. داده‌های سنگ‌نگاری نشان می‌دهد که ماسه‌سنگ اغلب از کوارتز و به دنبال آن فلدسپات و کانی‌های سنگین به مقدار کم تشکیل‌شده است. تجزیه و تحلیل بافت نشان‌داد که دانه‌ها نیمه‌گرد تا زاویه‌ای، طبقه‌بندی متوسط و درشت تا ریز هستند. تجزیه و تحلیل زمین‌شیمیایی نشان‌داد که میانگین محتوای SiO₂ حدود 57/93 درصد و Al₂O₃  تنها حدود 65/1 درصد است که نشان‌دهنده غالب‌بودن کوارتز است. از سوی دیگر، میانگین غلظت ‌Fe₂O₃، Na₂O وK₂O،CaO  و MgO به ترتیب 54/1، 11/0 و  05/0، 26/2 و 45/0 درصد است. از سوی دیگر، محتوای SO₃ به طور متوسط.02/0 درصد است. نتیجه‌گیری می‌شود که ماسه‌سنگ پاب برای تولید محصولات شیشه‌ای مانند شیشه مصری، الیاف شیشه، شیشه ظرف سیلیکا سودا لیم و شیشه رومی مناسب است. ماسه سنگ پاب بیش از 90 درصد سیلیس دارد و CaO و Fe₂O₃ دو ناخالصی اصلی هستند که باید حذف شوند؛ بنابراین محتوای سیلیس تا 99 درصد افزایش می‌یابد. از این رو، آن را برای ریخته‌گری، سرامیک و سیلیکاژل مناسب می‌کند. بهره‌گیری برای تولید انواع دیگر شیشه و همچنین برای سایر کاربردهای صنعتی مورد نیاز است.

کلیدواژه‌ها

• ماسه‌سنگ پاب
• محدوده پاب
• ویژگی های فیزیکوشیمیایی
• کاربرد صنعتی

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