tuff-breccia
41Illgill Head — Infobox Mountain Name = Illgill Head Photo = Illgill Head.jpg Location = Cumbria, ENG Range = Lake District, Southern Fells Elevation = 609 m (1,998 ft) Prominence = 314 m Parent peak = Scafell Pike Topographic OS Landranger 89, Explorer OL6 Grid …
42Green Gable — See Green Gables for the fictional farm in Anne of Green Gables .Infobox Mountain Name = Green Gable Photo = GreatAndGreenGables.jpg Caption = Great and Green Gable from Sprinkling Tarn. Green Gable is the smaller hump on the right. Elevation =… …
43Yewbarrow — Infobox Mountain Name = Yewbarrow Photo = Yewbarrow.jpg Caption = Yewbarrow (left) from Wast Water Elevation = 628 m (2,060 ft) Location = Cumbria, ENG Range = Lake District, Western Fells Prominence = c. 142 m Coordinates = Topographic OS… …
44Steel Fell — Infobox Mountain Name = Steel Fell Photo = Caption = Elevation = 553 m (1,814 ft) Location = Cumbria, ENG Range = Lake District, Central Fells Prominence = c. 70 m Parent peak = High Raise Coordinates = Topographic OS Landranger 90, Explorer OL5… …
45Watson's Dodd — Infobox Mountain Name = Watson s Dodd Photo = 20030107q.jpg Caption = Castle Rock of Triermain and Watson s Dodd. By Andrew Leaney Elevation = 789 m (2,588 ft) Location = Cumbria, ENG Range = Lake District, Eastern Fells Prominence = c 14 m… …
46Saltern Cove — is a Site of Special Scientific Interest. It is in Paignton, Devon on the South coast of England.Flora and faunaThe rocky coastline at Saltern Cove supports diverse communities of intertidal plants and animals. Along the lower shore the coarse… …
47Felsic — is a term used in geology to refer to silicate minerals, magma, and rocks which are enriched in the lighter elements such as silicon, oxygen, aluminium, sodium, and potassium. The term combines the words feldspar and silica. Felsic minerals are… …
48Mafic — is an adjective describing a silicate mineral or rock that is rich in magnesium and iron; the term is a portmanteau of the words magnesium and ferric .[1] Most mafic minerals are dark in color and the relative density is greater than 3. Common… …
49Volcanic glass — A sand grain of volcanic glass under the petrographic microscope. Its amorphous nature makes it go extinct in cross polarized light (bottom frame). Scale box in millimeters. Volcanic glass is the amorphous (uncrystallized) product of rapidly… …
50List of rock types — This page is intended as a list of all rock types. NOTOC A : Amphibolite: Andesite: Anorthosite : Anthracite: Aplite: Argillite: Arkose B : Banded iron formation: Basalt: Basanite: Blueschist: Boninite: Breccia C : Carbonatite: Cataclasite: Chalk …
