| pleistocene time(expression, period, interval, duration) |
| glacial(adjective, feature, state, coldness, noun) |
| glacierization(noun, period, interval, duration) |
| glaciation(noun, period, interval, duration) |
| freezing(noun, adjective, feature, state, period) |
| boulder-period(noun, period, interval, duration) |
| boulder period(expression, period, interval, duration) |
| congealment(noun, period, interval, duration) |
| congelation(noun, period, interval, duration) |
| cryogenic period(expression, period, interval, duration) |
| diluvion(noun, period, interval, duration) |
| diluvium(noun, period, interval, duration) |
| drift(noun, period, interval, duration) |
| drift deposits(expression, period, interval, duration) |
| drift period(expression, period, interval, duration) |
| drifted material(expression, period, interval, duration) |
| glacier covering(expression, period, interval, duration) |
| great ice age(expression, period, interval, duration) |
| numbness(noun, period, interval, duration) |
| post impact(expression, period, interval, duration) |