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What is the largest subdivision of geologic time?
The longest in geological time is an Eon eg. Archeozoic Eon . Edit: there is also the supereon, which is usually composed of 2-3 eons.
Abundant fossil evidence did not appear in the geologic record until what geologic era?
Abundant and diverse fossils first appeared in the Cambrian era, although there is fossil evidence throughout much of the Precambrian.
For which segment of the Earth's geologic history are fossils rarely found?
precambrian
To what geologic time frame do the fossils from Thomas Farm belong?
Miocene
Good index fossils have?
wide geographic distribution and short geologic time range
Diffrenciate geologic time with geologic column?
Geologic column is an ordered arrangement of rock layers that is based on the relative age of the rocks. Geologic time is the time IN the geologic column.
What do the relative geologic time and absolute geologic time combine to form?
The geologic time scale.
How geologic units of similar ages are shown on a geologic map?
on geologic maps, geologic units are distinguished by color. UNITS OF SIMILAR ARE ASSIGNED COLOR IN THE SAME COLOR FAMILY.
How are geologic units of similar ages are shown on a geologic map.?
on geologic maps, geologic units are distinguished by color. UNITS OF SIMILAR ARE ASSIGNED COLOR IN THE SAME COLOR FAMILY.
What is the geologic Law of Original Horizontality?
What is the geologic Law of Original Horizontality?
What does geologic heritage mean?
It means the geologic term of the word heritage.
Is A geologic era is a shorter unit of time than a geologic period?
No, a geologic era is a longer unit of time than a geologic period. Geologic eras are divided into periods, which are further subdivided into epochs. The hierarchy from largest to smallest is era, period, epoch.
How are geologic units of similar ages shown on a geologic map?
Geologic units of similar ages are typically shown on a geologic map using the same color or pattern to represent them. This helps to visually differentiate between different units and understand their distribution across a region. Stratigraphic relationships and relative ages may also be indicated to show how these units are connected in terms of geologic time.
List the characteristics of a geologic formation?
list all of the characteristics of a geologic formation?
What is an era in geologic time?
an era is a very long span of geologic time
Does wildfires have weather geologic or human causes?
It's a human and geologic cause.
What geologic structures in the country account for this bounty?
What geologic stratures in the country acount for this bounly
