نمایش نتیجه 1 تا 1 از 1 نتیجه یافت شده برای marker bed:
n: a distinctive, easily identified rock stratum, especially one used as a guide for drilling or correlation of logs.
n: A widespread distinctive rock unit that can be correlated readily over a large area. The most useful marker beds tend to form rapidly, such as during volcanic or geologically instantaneous depositional events, and have unusual seismic, magnetic, electrica
© ۱۳۹۲-۱۳۹۷ این اثر شامل قانون حمایت از مولفین بوده و هرگونه کپی برداری از آن ممنوع است.
