1963 27 811 The mechanically separated chondrules and matrix..were analysed... Amino acids were investigated, since they generally are more informative biogeochemically.
1991 R. S. K. Barnes & K. H. Mann (ed. 2) ii. 52/1 The transport of biogeochemically important compounds.
2005 May 32/1 It has been generally assumed that all lakes in the boreal forest are biogeochemically alike.