A radiogenic isotope tracer is the ratio of a daughter isotope produced by a long-lived radioactive parent to a stable isotope of the same element, such as or , used to identify the source of a rock rather than to date it. The ratio of a reservoir grows at a rate set by its parent–daughter ratio, and so records the history of that ratio.
বইগুলো এখনো বাংলা ভাষায় পাওয়া যায় না — ইংরেজি সংস্করণ দেখানো হচ্ছে।
Earth and Space Sciences · পরিভাষা