Assertion: sphagnum peat | /r/CapableOf | vary in degree of decomposition
Facets:
Source sentences:
text: From soundings made at points between the upper and lower portion of the Ski-trail muskeg, the structural features of cross sections may be characterized as follows: 0-18 inches; reddish-brown spongy-fibrous sphagnum moss peat; in places the material contains charred woody fragments and thin black seams of charred moss peat; at the lower level are occasional woody roots of conifers and heaths embedded in moss peat which varies in degree of decomposition; the reaction is strongly acid.