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