Assertion: soil biotite | /r/AtLocation | table
Facets:
Source sentences:
text: If, in calculating the composition of the end prodiuct of alteration, it is assumed that alteration is complete when all FeO, Nlg(), and K.() have disappeared and that they all disappear at the same rate, then the average composition of the soil biotites shown in Table 9 represents 52.5 per cent of complete alteration.