Assertion: peat's material | /r/HasProperty | formed in shallow pools of water
Facets:
Source sentences:
text: The character and distribution of peat layers are indicated in the following generalized profile section. 0-9 feet; sphagnum moss peat; the surface is spongy, well preserved, typically reddish-brown, fairly compact and pH 4.0 in reaction; there are present vertically elongated components of fibrous material from mosses, cottongrass and other sedges and several thin, sharply defined seams of dark brown and more decoinilposed moss peat which represent material that was formed in shallow pools of water; the layer is moist below the 2-foot level and contains methane gas.