Example sentences of "[noun sg] [prep] thousand years " in BNC.

  Next page
No Sentence
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 .
  Next page