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
| G | X | N | V | F | K | C | C | U | X | E | K | K | P | D |
| B | S | I | L | U | R | I | A | N | E | O | R | V | H | N |
| N | G | U | C | Q | Q | Q | J | K | G | P | D | C | H | M |
| Q | A | Z | O | O | R | U | X | H | A | J | N | I | F | Y |
| S | X | I | W | R | I | G | R | U | H | Q | A | S | S | R |
| G | G | Q | N | N | E | Z | N | S | S | A | I | S | U | A |
| Q | H | S | P | O | D | F | O | F | P | Z | M | A | O | N |
| C | I | Q | Y | Q | V | K | I | E | Z | S | R | R | E | R |
| Z | B | K | F | O | B | E | P | N | A | G | E | U | C | E |
| N | A | I | C | I | V | O | D | R | O | L | P | J | A | T |
| T | R | I | A | S | S | I | C | E | J | B | A | T | T | A |
| H | T | N | A | I | R | B | M | A | C | E | R | P | E | U |
| C | O | I | Z | O | S | E | M | Q | B | L | P | A | R | Q |
| Y | X | Q | B | X | C | O | I | Z | O | N | I | A | C | S |
| N | E | I | V | T | E | R | T | I | A | R | Y | Z | Y | A |
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