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1
Upper Paleozoic of Peru
Shale, black, silty and flaggy, makes prominent scarp, contains several bands of
unfossiliferous ironstone concretions . ... Shale, black, platy, soft, weathers in
rounded slopes, contains numerous bands of unfossiliferous ironstone
concretions .
Norman Dennis Newell, John Chronic, 1953
2
Phanerozoic Geology of Northwest China
In the east part, Early Tertiary deposits are absent in the Annanba-San- weishan
area, while the Late Tertiary Shulehe Formation, unfossiliferous, green to red
sandstone and mudstone with interbedded conglomerate, belongs mainly to the
...
Zhou Zhiyi, W. T. Dean, 1996
3
Pliocene Carbonates and Related Facies Flanking the Gulf of ...
Upper Pliocene Infiemo Formation Bahia Concepcion Member Upper limestone,
beige, massive, unfossiliferous, upper 2 m contains fragments of white chert. ... m
Lower limestone, gray-white, thick bedded, conspicuously unfossiliferous .
Markes E. Johnson, Jorge Ledesma-Vázquez, 1997
4
Geological Survey professional paper
The formation is unfossiliferous, but it grades upward into the Preble formation,
which contains fossils of Middle and Late Cambrian age. The Preble formation,
which also occurs exclusively in the Osgood Mountains, is predominantly shale
but ...
Geological Survey (U.S.), Geological Survey (U.S.). Geographic Names Information Management, 1962
5
U.S. Geological Survey Professional Paper
Two fine-grained unfossiliferous calcareous sandstones which occur in the upper
250 feet of the formation on lower Maybe Creek have also been included in the
Ayiyak Member. They are mapped separately as sandstones 6 and 5 (section 6, ...
6
The Bug Creek Problem and the Cretaceous-Tertiary Transition ...
Cretaceous Mudstone Lens Unfossiliferous Channel Sandstone Cretaceous
Mudstones (Facies A) - Cretaceous Mudstone Lens • ••••• Unfossiliferous
Channel Sandstone Cretaceous Mudstones (Facies A) Upper Tedrow Channel (
Facies F> ...
7
Geology and Ore Deposits of the La Plata District, Colorado
Limestone, dull maroon, shaly, and somewhat nodular, unfossiliferous 2% 6.
Poorly exposed, probably dull-red sandy shale with limy nodules 3 7. Mudstone,
dull red, sandy, micaceous, with thin shaly partings 5 8. Shale, dull red,
micaceous, ...
8
Geological Survey Professional Paper
ages. Unfossiliferous rocks of noncarbonate composition cannot be assigned to
the Paleozoic, and furthermore, whenever the slate of the York region is overlain
by massive carbonate rocks without the intervening argillaceous and dolomitic ...
9
Report of the Subcommittee on the Ecology of Marine Organisms
These apparently unfossiliferous beds constitute at least 75 percent of the 2200
feet of section. The paleoecology of the' black shale f acies of the loWer
Ordovician has been discussed by Ruedemann (1934) but very little has been
written ...
National Research Council (U.S.). Subcommittee on the Ecology of Marine Organisms
10
Index to the stratigraphy of North America
Shawangunk conglomerate: Coarse quartz conglomerate, of white or yellowish
pebbles Fect- in a gray or red matrix; unfossiliferous; unconformable on Hudson (
Ordovician) shale. 1,500-1,600 Medina-Longwood sandstone: Soft, often ...
Bailey Willis, Geological Survey of Canada, Instituto Geológico de México, 1912
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Hunting ancient animals in downtown St. John's
... because they are unequivocally from Precambrian strata and, for much of the 19th and 20th centuries, rocks of such age were thought to be unfossiliferous. «The Independent News, 七月 14»
The ROM's dinosaur-hunter, deep in Alberta's badlands
The excavation process starts with jackhammers and pickaxes, used to remove the tonnes of unfossiliferous rock above where the bones lie. When the crew has ... «Toronto Star, 八月 11»
U-Pb Zircon Dating of Basement Inliers Within the Moine …
In older orogens, particularly those characterized by unfossiliferous strata and/or medium- to high- grade metamorphic rocks, identification of terranes and the ... «RedOrbit, 八月 08»
