| 11. | Volcanic ashes and lavas accumulate on the surface, and igneous intrusions enter from below.
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| 12. | The fields are associated with igneous intrusions.
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| 13. | These are igneous intrusions of magma which formed within the existing Beacon Hill and Bradgate Formations.
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| 14. | Instead, the cooled and solidified igneous mass crystallises within the crust to form an igneous intrusion.
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| 15. | Mountain ranges associated with laccoliths and other igneous intrusions on the Colorado Plateau, southwestern United States.
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| 16. | Tungsten ore deposits are predominantly magmatic or hydrothermal in origin and are associated with felsic igneous intrusions.
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| 17. | Skaergaardite is associated with igneous intrusions containing well-preserved, oxide-rich, tholeiitic gabbro.
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| 18. | Two productive pools were found, both in the Sespe Formation, separated by an igneous intrusion.
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| 19. | There are various igneous intrusions including pegmatite, as well as " bands " of gneiss and schist.
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| 20. | It occurs in high temperature regional metamorphic rocks and in the skarns within contact aureoles around igneous intrusions.
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