Along the Atlantic coast the Mesozoic peneplain may be traced shoreward to where it disappears from view beneath an unconformable cover of early Tertiary marine strata.
The complete biological contrasts between the fossil contents of unconformable strata are sufficiently explicable.
It often happens that in the interval between the deposition of two sets of unconformable strata, the inferior rock has not only been denuded, but drilled by perforating shells.
The unconformable position of this New Red with ornithichnites on the edges of the inclined primary or paleozoic rocks of the Appalachians is seen at 4.
Unconformable junction of old red sandstone and Silurian schist at the Siccar Point, near St. Abb's Head, Berwickshire.
Moral evil is an actionunconformable to it [the rule of our duty].
Defn: Not conformable; not lying in a parallel position; as, unconformable strata.
In America, therefore, the lowest Tertiary strata appear to rest conformably upon the highest Cretaceous; whereas in Europe, the succession at this point is invariably an unconformable one.
In these cases we require more evidence before we can decide whether we are dealing with an unconformable junction or a faulted one.
These three lower beds are covered by an unconformable mantle D of stratified sandy earth, including many pebbles of quartz, pumice and phonolite, land and sea-shells.
The older half of this Laurentian series is unconformable to the newer portion of the same.
It is admitted that when two formations are unconformabletheir fossil remains almost always differ considerably.
The rocks, for convenience classed as pre-Cambrian, occur as several unconformable groups, chiefly developed in the south where alone their stratigraphy has been determined.
These beds are dipping and unconformablewith the rocks above.
This is the point where we built a trail down a side canyon where Mr. Walcott was to make his winter residence and study of the region; it is very complicated and exhibits a vast series of unconformable rocks of high antiquity.
Massive conglomerates occur in these series, which are unconformable on the Dalradian rocks of Connemara.
I observed here that the travertin was unconformable to the lacustrine beds, its inclination according with the slope of the sides of the valley.
These, it will be seen, are horizontal, and lie in what is termed "unconformable stratification" on the more ancient series.
Carboniferous rocks appear in small faulted tracts, unconformable on the Silurian, on the shores of the Solway Firth.
In the Dingle promontory the Old Red Sandstone is strikingly unconformable on the Dingle beds and the Upper Silurian series; the latter include volcanic rocks of Wenlock age.
Unconformable superposition of Devonian Conglomerate on Silurian slates, at St. AbbaEuro(TM)s Head, Berwickshire 10 9.
In several cases the lava masses, as seen in cross section, are lens-shaped, and where associated with fragmental beds have unconformable relations.
Before the great fleet of colonists, with its threeunconformable Church of England clergymen, had reached the port of Salem the good seed had been planted anew in other hearts not less honest and good.
There will be no difference,' he said, 'between the unconformable ministers and you, when they come to the practice of the ordinances out of the kingdom.
