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آپاتیت در شرایط بسیار متنوعی تشکیل می شود و در سنگ های آذرین، دگرگونی و رسوبی یافت می شود. مهم ترین ذخایر آپاتیت در سنگ های رسوبی تشکیل شده در محیط های دریایی و دریاچه ای است. در آنجا، بقایای آلی فسفاتی (مانند استخوان ها، دندان ها، فلس ها و مواد مدفوع) انباشته شده و در طی ترازایش (تغییرات فیزیکی و شیمیایی رسوبات در حین و پس از ته نشین شدن ولی قبل ا...
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