Example sentences of "[noun sg] [prep] thousand years " in BNC.
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1 | Thus the Globigerina ooze on the floor of the Indian Ocean seems to be accumulating at between a and I centimetre per thousand years . |
2 | Thus for calcareous ooze , the rate seems to vary from 0.1 to 1 gramme per square centimetre per thousand years in the less productive yes and from 10 to 30 grammes in the more productive areas . |
3 | The rate for siliceous Oozes ranges from as little as 0.05 grammes per square centimetre per thousand years in the tropics , to as high as 50 grammes in the Gulf of California . |
4 | I do n't think it should become too academic , it should be whatever people want at the grassroots level , we have a couple of thousand years of patriarchy behind us and we 're not going to change things overnight . |
5 | Carbonate deposition on the Great Bahama Bank is said to have averaged half a metre per thousand years , even though most of the sediment is continuously swept into deeper water . |