Environmental Engineering Reference
In-Depth Information
FIGURE 13
Sand-ridge deposits. Early Cambrian Wiwaxy Peaks Member, St. Piran Formation,
Gog Group, southern Rocky Mountains, Canada. (A) Sand-ridge lateral-accretion deposits exhibit-
ing very thick-bedded, compound cross-stratified sandstone. (B) Non-bioturbated, compound cross-
stratified sandstone at the core of the sand ridge. (C) Intercalated sandstone and mudstone along
sand- ridge flanks with local
Planolites
isp. (D) Bedding-plane view (base) of
Palaeophycus
isp. (
Pa
)
and
Phycodes
isp. (
Ph
). (E) Bedding-plane view (base) of
Dimorphichnu
s-like scratch traces (Sm).
Search WWH ::
Custom Search