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Why are there no precambrian coal beds?
No plants existed during the Precambrian. The formation of coal beds relied on vegetation.
Why is PreCambrian called PreCambrian?
Precambrian is BEFORE the Cambrian period!
When were precambrian rocks formed?
During the precambrian.
Historians know least about era do?
**Precambrian**
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 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 did precambrian end?
The Precambrian ended about 541 million years ago.
Why is it difficult to study Precambrian time?
There is not many remains of the Precambrian time
Why did the precambrian end?
The Precambrian ended about 541 million years ago.
What fossil records do you have from the Precambrian life?
very little, there are stromatolites, domed mates of microscopic algae that are aged as precambrian. No other fossils in the precambrian
