Voices of Science

At the base we have a pale sandy silt here. Then there is an abrupt change to a medium to fine sand, slightly red, and that goes up slowly and changes into a grayish silt again. Then there is a repeat of the sand and then the silt. And the sand and the silt. And each of these couplets as you might say, which with a silty top and a sandy base, are possibly the result of a year’s cycle of sedimentation in this lake.