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Multifossil range zone
Словарь стратиграфических терминов |
A biostratigraphic unit, a special type o f range zone, marked by a concentration o f the range zones o f a number o f different fossils (american
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Concentration, английский
- The amount of a substance present in a certain amount of soil, water, air, food, blood, hair, urine, breath, or any other media.
- Concentración
- N концентрация
- Концентрация; кучность
- The area covered by the diamonds as compared with the total area of the cutting surface of a surface-set bit.
- The volume of diamonds, expressed in percent, compared to the total volume of the crown of an im pregnated bit
- The percentage of acid compared with the volume of water added to produce a dilute solution.
- Концентрация. количество вещества, выраженное в единицах массы или молярных единицах, в единице объема жидкости или единице массы твердого тела. con. dence interval
- Концентрация. количество вещества, выраженное в единицах массы или молярных единицах, в единице объема жидкости или единице массы твердого тела.
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Standard zone, английский
A biostratigraphic zone based on a type section in which specified beds 137 yield characteristic fauna. the base o f the lowest bed yielding this fauna is defined as the base o f the zone. the top o f the zone is not explicitly defined (callomon, 1965, p. 82).
Casuzone, английский
A biostratigraphic unit defined as a body o f rock with upper and lower boundaries marked by reversible faunal changes that are essentially parallel to time planes (vella, 1964, p. 622). 112
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