Ochil Volcanic Formation and the Quaternary of Glen Devon August 9th 2003. "[8]Old lore also told that some of the stones from the fort of Castle Craig were used in the construction of Stirling Castle, 7 3⁄4 miles (12.5 kilometres) to the west. The Ochil Fault was active from the earliest part of the Carboniferous period, allowing the marine swamps in which the coal-producing vegetation flourished to be periodically overlain by layers of sand, forming sandstone, or silt, forming shale, in a number of cyclic subsidences. The whole massif is heavily faulted with some valleys such as Alva Glen and Glen Sherup having been eroded along these lines. The Ochils Mountain Rescue Team consists of 35 volunteer mountaineers with specialist training who "locate and recover people who find themselves in difficult situations in the outdoors."[12]. The Ochil Fault remained active throughout geological time, and some later movements allowed intrusive eruptions of diorite or quartz-dolerite to rise at various places along its length. The formation comprises over 2000m of subaerial basaltic and andesitic lava flows with interbedded terrestrial debris-flow conglomerates. To the west and NW, there are commanding views of the Carse west of Stirling, the Menteith Hills (Lower Devonian conglomerates) and the Grampian mountains. Leader: Dr. Mike Browne. Glacial till covers much of the lower ground around and within the range and peat accumulations occur on the plateau surface particularly in the west.[7]. The Ochil Faultis the geological feature which defines the southern edge of the Ochil Hillsescarpment, Scotland. Mining and Minerals This project showcases the importance of the industrial heritage in the Ochils area's development, which is closely linked to its geology. Name: Ochil Hills, Perth and Kinross Place type: Hill Or Mountain Ranges Location: Grid Ref: NO 0795 1114 • X/Y co-ords: 307954, 711142 • Lat/Long: 56.28379822,-3.48839362 The Ochil Fault has produced one of the best examples of a fault line scarp to be seen in Britain. Heavy Metal Mines in the Ochil Hills: Chronology and Context By John G Harrison INTRODUCTION In recent decades the mines of the Ochil Hills, in east central Scotland, have attracted the interest of speleologists, mineralogists, ceramists, and botanists1. Boyle, R. W., 1962, Geology of the Barite, Gypsum, Manganese, and Lead Zinc-Copper-Silver Deposits of the Walton-Cheverie Area, Nova Scotia: Geological Survey of Canada, Paper 62-25, 26 p. Google Scholar We take a look at the early Iron Age settlement on Dumyat, the possible medieval hunting lodge behind Castle Campbell in Dollar, the Ochils' contribution to local industries - not least textiles, urbanisation, and recreation. Castle Craig, a ruined ancient fort above the village of Mill Glen destroyed by industrial quarrying, was mentioned by local historian William Gibson in 1883 as being "a round Pictish fortress, the traces of which can still be distinctly seen. A notional boundary for the Ochil Hills is shown in Map 2, bounded by roads, and stretching from Dunblane in the west to Glen Farg in the east. It continues for about 9 miles along the southern edge of the Ochil Hills, from Blairlogie in the west to past Dollar in the east. The oldest rocks cropping out in the County are of the Ochil Volcanic Formation in the Ochil Hills. To put this in perspective, the prominent hill Dumyat which defines the western extremity of the Ochil Hills has a height of 418 metres. Ancient folklore and historical documentation suggests that the Ochils once were inhabited by the Picts, or at least that a few Pictish settlements existed in the Ochil Hills. Castle Campbell was built at the head of Dollar Glen in the late 15th century (an earlier castle on the site had been called "Castle Gloom") mainly as a very visible symbol of the Campbell domination of the area. The plateau is undulating with no prominent peak. THE GEOLOGY OF THE COUNTRY ROUND STIRLING. Such ranges include the Ochil Hills, near Stirling, the Campsie Fells outside Glasgow, and the Lomond Hills in Fife. Sheriffmuir, the site of the 1715 battle of the Jacobite rising, is on the northern slopes of the hills. Marked as 350 metres. Alluvial gold is wide-spread and locally abundant in the central Ochil Hills, but the bedrock sources have not been identified. There northern Ochil Hills were a popular destination for panners in the upper part of the Beacons Dissent! The Jacobite rising, is of Pictish origin in Alva, using this to highlight this giant step in Ochils... From the geological feature which defines the southern edge of the Hills,.. 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