An intrusion is an igneous rock body that forms from crystallized magma under Earth's surface.any mountain ranges, such as the Sierra Nevada in California, are formed mostly by intrusive rock, large granite (or related rock) formations. Intrusions are one of the two ways igneous rock can form; the other is extrusive, that is, a volcanic eruption or similar event.
Admit it: you were pronouncing the word âSmaugâ â the name of the Hobbit dragon, the one whoâs in the subtitle of the upcoming movie installation â as âsmog.â.
The Welsh Dragon â Welsh: Y Ddraig Goch (the red dragon). [É ËÃ°raiÉ¡ ËÉ¡oËÏ] â appears on the national flag of Wales.The flag is also called Y Ddraig Goch.n the Mabinogion story Lludd and Llefelys, the red dragon fights with an invading White Dragon. His pained shrieks cause women to miscarry, animals to perish and plants to become barren. Lludd, king of Britain, goes to his wise brother Llefelys in France.