Finding Time
Geological time: Eras and Periods
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CAINOZIOC
CAMBRIAN
CARBONIFEROUS
CRETACEOUS
DEVONIAN
JURASSIC
MESOZIOC
ORDOVICIAN
PALAEOZIOC
PERMIAN
PRECAMBRIAN
QUATERNARY
SILURIAN
TERTIARY
TRIASSIC
| R | O | L | I | I | B | G | S | V | J | V | H | R | L | X |
| S | C | R | E | T | A | C | E | O | U | S | V | S | F | R |
| A | A | A | M | T | G | R | G | G | E | N | Z | Z | J | W |
| Y | I | P | R | E | C | A | M | B | R | I | A | N | D | Q |
| T | N | A | E | B | E | C | I | S | S | A | R | U | J | T |
| R | O | L | Y | R | O | R | D | O | V | I | C | I | A | N |
| I | Z | A | M | R | M | N | C | E | A | L | A | T | V | L |
| A | I | E | E | Z | A | I | I | H | V | F | Z | P | Z | O |
| S | O | O | S | O | S | I | A | F | U | O | P | P | I | N |
| S | C | Z | O | I | D | Z | T | N | E | Q | N | I | V | B |
| I | A | I | Z | N | X | Y | R | R | V | R | F | I | Q | F |
| C | F | O | I | V | O | C | E | T | E | W | O | I | A | W |
| S | Z | C | O | Y | R | A | N | R | E | T | A | U | Q | N |
| X | B | B | C | K | W | N | A | I | R | U | L | I | S | G |
| K | D | G | P | Z | A | Q | B | J | U | Q | X | W | O | F |
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