| These mid-Palaeozoic formations are unconformably overlain by the Carboniferous-Permian Pillahuinco Group. |
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| Deposition of the unconformably overlying Red Bay Group was terminated in latest Lochkovian times by renewed sinistral strike-slip faulting. |
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| These extrusive rocks are tilted and rest unconformably upon metamorphosed limestone, shale, and slate. |
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| In Tertiary time, the Batain nappes were unconformably overlain by carbonate and elastic rocks. |
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| These are unconformably overlain by Lower Carboniferous limestones of the Alapaevsk unit and cut by a Permian granite. |
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| The Moine rocks are overlain unconformably by post-Caledonian, Old Red Sandstone sedimentary rocks. |
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| Lothagam is a more restricted area and its strata are older-late Miocene to early Pliocene, overlain unconformably by Quaternary sands, gravels, and coquinas. |
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| Basement rocks consist of Tortonian volcanic rocks unconformably overlain by Messinian marine marls, coral-reef limestones and carbonate breccias. |
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| The Stonehaven Group lies at the base of the Old Red Sandstone in the Midland Valley of Scotland and sits unconformably on the Highland Border Complex. |
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| Archean metavolcanic and metasedimentary rocks are unconformably overlain by Proterozoic rocks of the Huronian Supergroup. |
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| It lies unconformably upon steeply inclined flagstones, the interpretation of which is a matter of continuing debate. |
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| Seismoacoustic records show that in some places they are lying unconformably on the Yoldia Sea deposits. |
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| Devonian conglomerates composed of sandstones and pelites appear in the area, and Carboniferous marine formations are unconformably overlain in sequence. |
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| The Lower Old Red Sandstone is unconformably overlain by Upper Old Red Sandstone, where the Upper Old Red Sandstone is tilted close to the Highland Boundary Fault. |
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| The area is underlain by the flat-lying Miocene age Browns Park Formation which unconformably overlies the Eocene Green River and Wasatch Formations. |
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| It is unconformably overlain by gravel-rich slope-wash deposits. |
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| Devonian sandstone that lies unconformably on the Archaean basement rocks. |
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