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Gillan, Cornwall
Gillan is a Hamlet (place), hamlet in the parish of St Anthony-in-Meneage, Cornwall, England. Explore Britain Gillan Creek is one of the creeks of the Helford River. Gillan lies within the Cornwall Area of Outstanding Natural Beauty (AONB). References Hamlets in Cornwall {{Cornwall-geo-stub ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rocks By Gillan Creek Near Gillan (8527)
In geology, rock (or stone) is any naturally occurring solid mass or aggregate of minerals or mineraloid matter. It is categorized by the minerals included, its chemical composition, and the way in which it is formed. Rocks form the Earth's outer solid layer, the crust, and most of its interior, except for the liquid outer core and pockets of magma in the asthenosphere. The study of rocks involves multiple subdisciplines of geology, including petrology and mineralogy. It may be limited to rocks found on Earth, or it may include planetary geology that studies the rocks of other celestial objects. Rocks are usually grouped into three main groups: igneous rocks, sedimentary rocks and metamorphic rocks. Igneous rocks are formed when magma cools in the Earth's crust, or lava cools on the ground surface or the seabed. Sedimentary rocks are formed by diagenesis and lithification of sediments, which in turn are formed by the weathering, transport, and deposition of existing rocks. M ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
