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  Bush's Geotypical Microterrains - Carraigdubh, CO. Leitrim
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Bushlurker sent us his newest island in his Bush's Geotypical Microterrains series.
This time he released Carraigdubh, CO. Leitrim, a 5.12km x 5.12km Terrain with a 5m Ground Resolution.

    Quote Bushlurker :
    County Leitrim contains a great variety of landscapes.
    High moor topped mountains in the north of the County rise above drumlin-covered lowlands, eskers and glens. Geological features shaped by glacial action are a distinctive feature.
    Many areas are noted for their scenic beauty and nature conservation value. (And particularly good trout & salmon fishing!)

    Leitrim, like other counties in Ireland, was subjected to total glaciation on a number of occasions. Glacial episodes have had a profound influence on the landscape, shaping the underlying geology and depositing massive volumes of drift.
    Little is known about earlier glacial episodes as all traces have been erased by subsequent glaciations. In Ireland the most recent glaciation is called the Midlandian Glaciation and occurred roughly 20,000 years ago. The ice extended across Leitrim from North, North East to South, South West...

    During glaciation, erosion was most severe on the higher summits and in the deeper valleys which were aligned parallel to the direction of the ice flow.
    The lowlands by contrast were mantled by a thick cover of stiff, clayey till deposited during a later stage of glaciation which was moulded into the form of small hills or drumlins. These drumlins are generally oval in plan however a broad range of shapes and sizes exists.
    The drumlins are orientated in the general direction of the ice flows and are a valuable indicator of glacial activity.

    Since the majority of soils display significant limitations to agriculture. Combined with the nature of landform, grassland agriculture has been the dominant land use within the County.



Written on 2012-03-17 14:02 by Bushlurker  

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