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What is the longest segments of geologic time called?
Precambrian Era.
Why is the shield also referred to as the Precambrian Shield?
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
What era featured the longest periods with no life forms on Earth.?
Precambrian
The largest division of geological time is called?
The Archean Eon, which is part of the Precambrian period along with the Proterozoic Eon.
What are the most common precambrian fossils called?
The most common Precambrian fossils are stromatolites. These are layered structures formed by the growth of cyanobacteria, also known as blue-green algae, in shallow water environments. Stromatolites are important in understanding early life on Earth.
What are two subdivisions of the Precambrian Era called?
The two subdivisions of the Precambrian Era are the Hadean and the Archean Eons.
What is the longest segments of geologic time called?
Precambrian Era.
When were precambrian rocks formed?
During the precambrian.
What are most common Precambrian fossils of layered mounds of calcium carbonate called?
stromatolites
What are the 3 long units of time between the precambrian time and present called?
eras.
Historians know least about era do?
**Precambrian**
What is the name of the period that followed extensive glaciation in the precambrian?
The period that followed extensive glaciation in the Precambrian is called the Proterozoic Eon. This period was characterized by the development of complex life forms and the formation of supercontinents.
What is the mineral composition of precambrian?
The Precambrian is a geological age, not a mineral.
Why is the shield also referred to as the Precambrian Shield?
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
Why is the Canadian Shield also referred to as the Precambrian Shield?
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
Why is the Canadian Shield also referred as the Precambrian Shield?
Because it was created in the precambrian era...The Candadian Shield was formed in the Precambrian Era.The rocks of the Canadian Shield formed during the Precambrian time.
Why did the precambrian end?
The Precambrian ended about 541 million years ago.
