| 21. | This separates the limestone, igneous intrusions and Bowmore sandstones from the Colonsay Group rocks of the Rhinns.
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| 22. | A positive gravity anomaly may be an igneous intrusion, a negative anomaly a salt dome or void.
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| 23. | A common occurrence of granophyre is within layered igneous intrusions dominated by rocks with compositions like that of gabbro.
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| 24. | Mississippi valley type ore deposits lack silver and gold mineralization, and are not associated with nearby igneous intrusions.
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| 25. | During the Taconic orogeny, more igneous intrusions and metamorphism occurred as the ancestral Taconic Mountains were pushed up.
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| 26. | "' Doros Complex "'is a differentiated igneous intrusion in the Damaraland region of Namibia.
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| 27. | The igneous intrusion that produced these diabase dikes also replaced limestone or marble in the surrounding rock with iron ores.
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| 28. | When igneous intrusions occurred during the Karoo magmatism in the Jurassic period, they follow the directions of previous dykes.
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| 29. | Radiometric ages of igneous intrusions in Sleeping Ute Mountain are essentially identical to those of the diorite intrusions in the Carrizos.
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| 30. | From these orogeny came igneous intrusions in the Piedmont, the Blue Ridge, the Valley and Ridge and the Appalachian Plateau.
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