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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.
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 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
Were there any weird animals in precambrian?
All the precambrian animals were weird ;P
What was the longest segment of the earth's history?
It was the Precambrian time period.
What are the chracteristics of the geological era and the definition of precambrian Cenozoic mesozoic and paleozoic?
Precambrian
