Assertion: tourmaline's effect | /r/HasProperty | due
Facets:
value: to the burial of reduced carbon
type: CAUSE
value: primarily
type: DEGREE
Source sentences:
text: Analysis showed that this unique effect was due to the presence of copper and manganese.
text: This effect is due to the fibrous structure of the material.
text: The pyroelectric effect is due primarily to the asymmetric anharmonic vibrations of O(1), the oxygen atom of point symmetry 3m which has a polar environment.
text: Analysis showed that this unique effect was due to the presence of copper and manganese.
text: The most marked effects, notably the accumulation of atmospheric oxygen, have been due to the burial of reduced carbon.