archive-ie.com » IE » K » KERRYGEOPARK.IE

Total: 182

Choose link from "Titles, links and description words view":

Or switch to "Titles and links view".
  • A Vast And Varied Landscape....
    of research The rich and varied landscape of Kerry Geopark gives a graphic illustration of the movement of the earth over the last 600 million years Over this vast timespan the landscape has changed many times The land where Kerry now lies has at different times been smothered by volcanic ash submerged deep beneath the sea heaved up to form mountain ranges and baked by a subterranean pool of molten

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=1&panel=1 (2014-11-17)
    Open archived version from archive


  • The Geology Of The Kerry Geopark
    Kenmare Bay Igneous activity at the end of the period created the Valentia Harbour Igneous Complex Earth Movements The Armorican Hercynian Earth Movements which occurred about 300 million years ago created the tectonic grain of the Cork Kerry region These roots of an old mountain chain form the dominant structures in the Geopark and the elevation of the earth s surface probably created a terrestrial environment for most of the future The structures are seen in the alignment of Kenmare River and Dingle Bay trending east northeast to west southwest Secondary structural features were created by the Pre Atlantic Rift Tensional Regimes and these define a north northwest to south southeast Structural Grain It can be seen in satellite and aerial images and in cross directions such as the Sneem River This is associated with rifting in the North Sea and the Porcupine Trough and is probably associated with the origin of mineralisation e g Copper deposits in the area pictured here It is likely that a subsidiary northwest to southeast grain may be part of the original Armorican stress regime The geology is twinned on the other side of the Atlantic Devonian sandstones and shales which are a Gas source in the USA These structures define the Geopark landscape Subsequent Geological History Pre Atlantic Rifting t o Pleistocene Ice Age The intervening geological epochs resulted in the erosion of Devonian sandstones and the major joint pattern into the broad topography we see today There is some evidence of igneous activity possibly associated with the Atlantic Rifting Event e g Intrusion of Tertiary Igneous Rocks e g Dyke at Hog s Head 20 million years ago shown here The Glacial Period The Glacial Period in the Kerry Geopark lasted from 1 7 million to 10 000 years ago It undoubtedly

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=1&panel=2 (2014-11-17)
    Open archived version from archive

  • Description Of Features
    are small enough to distinguish Stand on the grass with your back towards Glenbeg Beach and observe the contours of the sandstone directly at your feet The rock has been so severely compressed that it has folded over upon itself the underside of the fold disappearing under the surface As a result of tremendous pressure rocks can crack rather than fold Water subsequently erodes these cracks forming clefts and inlets The fault line is easily visible as the sea follows the weakness in the earth s crust and a small inlet results Glaciated Breach A good example of Glaciated Breach Windy Gap was formed during the last ice age some 20 000 years ago Ice spilled over from the glacier in the valley behind it rupturing the mountain ridge and forming the gap or glaciated breach visible today Igneous Intrusion Dyke Hog s Head viewed from the road at Loher had a violent geological past Faults developed and earthquakes shook the land At one point red hot magma pushed up from the earth s molten core and burned its way through the surrounding sandstone rock to the near surface This feature is known as a dyke or an igneous intrusion In layman s terms molten rock so hot that it burned and melted the surrounding sandstone surged up along a fault in the earth s crust filling the fracture It resembles the blackened inside of a chimney remnants of a scorching past The blackened material is actually dolorite an igneous rock that almost reaches the surface of the earth a bit like lava which remains underground Kame Exceptionally green fields at the base of mountains due to underlying mounds of gravel deposited by rivers flowing on top of ice and dropping debris over the edge Moraine As the corries were sculpted out and the valleys were deepened the resulting rock was carried forward by the glacier When the ice melted it was dumped Evidence of this is found in the cross sections of the coastal cliff between Hogs Head and Waterville which consist of moraine or glacial till This dumped material was also responsible for blocking existing water flow channels and creating lakes Lough Currane is the largest of such moraine locked lakes on the Iveragh Peninsula Glacial till deposits can also be seen a little east of the Derrynane Hotel on the N70 Stratification and Folding Over 250 million years ago a mountain range situated in North Kerry was gradually eroded away and the resulting silt and sand was deposited in strata or layers building up to create a sedimentary mass 7km thick Huge forces compressed the sedimentary strata into old red sandstone so typical of this region The enormous weight of the sediment plus massive pressures from the north and south caused the earth s crust to buckle and bend in an east west direction forming the MacGillycuddy Reeks Submerged Forest This feature is visible at low tide only Prior to the ice age a river flowed westwards

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=1&panel=3 (2014-11-17)
    Open archived version from archive

  • A Vast And Varied Landscape....
    of research The rich and varied landscape of Kerry Geopark gives a graphic illustration of the movement of the earth over the last 600 million years Over this vast timespan the landscape has changed many times The land where Kerry now lies has at different times been smothered by volcanic ash submerged deep beneath the sea heaved up to form mountain ranges and baked by a subterranean pool of molten

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=2&panel=1 (2014-11-17)
    Open archived version from archive

  • The Geology Of The Kerry Geopark
    Kenmare Bay Igneous activity at the end of the period created the Valentia Harbour Igneous Complex Earth Movements The Armorican Hercynian Earth Movements which occurred about 300 million years ago created the tectonic grain of the Cork Kerry region These roots of an old mountain chain form the dominant structures in the Geopark and the elevation of the earth s surface probably created a terrestrial environment for most of the future The structures are seen in the alignment of Kenmare River and Dingle Bay trending east northeast to west southwest Secondary structural features were created by the Pre Atlantic Rift Tensional Regimes and these define a north northwest to south southeast Structural Grain It can be seen in satellite and aerial images and in cross directions such as the Sneem River This is associated with rifting in the North Sea and the Porcupine Trough and is probably associated with the origin of mineralisation e g Copper deposits in the area pictured here It is likely that a subsidiary northwest to southeast grain may be part of the original Armorican stress regime The geology is twinned on the other side of the Atlantic Devonian sandstones and shales which are a Gas source in the USA These structures define the Geopark landscape Subsequent Geological History Pre Atlantic Rifting t o Pleistocene Ice Age The intervening geological epochs resulted in the erosion of Devonian sandstones and the major joint pattern into the broad topography we see today There is some evidence of igneous activity possibly associated with the Atlantic Rifting Event e g Intrusion of Tertiary Igneous Rocks e g Dyke at Hog s Head 20 million years ago shown here The Glacial Period The Glacial Period in the Kerry Geopark lasted from 1 7 million to 10 000 years ago It undoubtedly

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=2&panel=2 (2014-11-17)
    Open archived version from archive

  • Description Of Features
    are small enough to distinguish Stand on the grass with your back towards Glenbeg Beach and observe the contours of the sandstone directly at your feet The rock has been so severely compressed that it has folded over upon itself the underside of the fold disappearing under the surface As a result of tremendous pressure rocks can crack rather than fold Water subsequently erodes these cracks forming clefts and inlets The fault line is easily visible as the sea follows the weakness in the earth s crust and a small inlet results Glaciated Breach A good example of Glaciated Breach Windy Gap was formed during the last ice age some 20 000 years ago Ice spilled over from the glacier in the valley behind it rupturing the mountain ridge and forming the gap or glaciated breach visible today Igneous Intrusion Dyke Hog s Head viewed from the road at Loher had a violent geological past Faults developed and earthquakes shook the land At one point red hot magma pushed up from the earth s molten core and burned its way through the surrounding sandstone rock to the near surface This feature is known as a dyke or an igneous intrusion In layman s terms molten rock so hot that it burned and melted the surrounding sandstone surged up along a fault in the earth s crust filling the fracture It resembles the blackened inside of a chimney remnants of a scorching past The blackened material is actually dolorite an igneous rock that almost reaches the surface of the earth a bit like lava which remains underground Kame Exceptionally green fields at the base of mountains due to underlying mounds of gravel deposited by rivers flowing on top of ice and dropping debris over the edge Moraine As the corries were sculpted out and the valleys were deepened the resulting rock was carried forward by the glacier When the ice melted it was dumped Evidence of this is found in the cross sections of the coastal cliff between Hogs Head and Waterville which consist of moraine or glacial till This dumped material was also responsible for blocking existing water flow channels and creating lakes Lough Currane is the largest of such moraine locked lakes on the Iveragh Peninsula Glacial till deposits can also be seen a little east of the Derrynane Hotel on the N70 Stratification and Folding Over 250 million years ago a mountain range situated in North Kerry was gradually eroded away and the resulting silt and sand was deposited in strata or layers building up to create a sedimentary mass 7km thick Huge forces compressed the sedimentary strata into old red sandstone so typical of this region The enormous weight of the sediment plus massive pressures from the north and south caused the earth s crust to buckle and bend in an east west direction forming the MacGillycuddy Reeks Submerged Forest This feature is visible at low tide only Prior to the ice age a river flowed westwards

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=2&panel=3 (2014-11-17)
    Open archived version from archive

  • A Vast And Varied Landscape....
    of research The rich and varied landscape of Kerry Geopark gives a graphic illustration of the movement of the earth over the last 600 million years Over this vast timespan the landscape has changed many times The land where Kerry now lies has at different times been smothered by volcanic ash submerged deep beneath the sea heaved up to form mountain ranges and baked by a subterranean pool of molten

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=3&panel=1 (2014-11-17)
    Open archived version from archive

  • The Geology Of The Kerry Geopark
    Kenmare Bay Igneous activity at the end of the period created the Valentia Harbour Igneous Complex Earth Movements The Armorican Hercynian Earth Movements which occurred about 300 million years ago created the tectonic grain of the Cork Kerry region These roots of an old mountain chain form the dominant structures in the Geopark and the elevation of the earth s surface probably created a terrestrial environment for most of the future The structures are seen in the alignment of Kenmare River and Dingle Bay trending east northeast to west southwest Secondary structural features were created by the Pre Atlantic Rift Tensional Regimes and these define a north northwest to south southeast Structural Grain It can be seen in satellite and aerial images and in cross directions such as the Sneem River This is associated with rifting in the North Sea and the Porcupine Trough and is probably associated with the origin of mineralisation e g Copper deposits in the area pictured here It is likely that a subsidiary northwest to southeast grain may be part of the original Armorican stress regime The geology is twinned on the other side of the Atlantic Devonian sandstones and shales which are a Gas source in the USA These structures define the Geopark landscape Subsequent Geological History Pre Atlantic Rifting t o Pleistocene Ice Age The intervening geological epochs resulted in the erosion of Devonian sandstones and the major joint pattern into the broad topography we see today There is some evidence of igneous activity possibly associated with the Atlantic Rifting Event e g Intrusion of Tertiary Igneous Rocks e g Dyke at Hog s Head 20 million years ago shown here The Glacial Period The Glacial Period in the Kerry Geopark lasted from 1 7 million to 10 000 years ago It undoubtedly

    Original URL path: http://kerrygeopark.ie/geology.php?t=2&panel=3&panel=2 (2014-11-17)
    Open archived version from archive