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The Holy Island Group is a sequence of metasedimentary rocks of Cambro-Ordovician (Furongian to Tremadocian) age found in northern and western Anglesey and the adjacent Holy Island in North Wales. It comprises four formations; a lower South Stack Formation, an overlying Holyhead Formation, a succeeding Rhoscolyn Formation and an uppermost New Harbour Formation. The South Stack Formation outcrops on Holy Island, between Holyhead and South Stack and at Rhoscolyn, and also inland on Anglesey itself between Mynydd Mechell and Carreglefn. The Holyhead and Rhoscolyn formations are restricted to the Holyhead Mountain and Rhoscolyn areas of Holy Island. The New Harbour Formation, which previously enjoyed 'Group' status, is some 2km thick and conformably overlies the Rhoscolyn Formation. It extends

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rdf:type
rdfs:label
  • Holy Island Group (en)
rdfs:comment
  • The Holy Island Group is a sequence of metasedimentary rocks of Cambro-Ordovician (Furongian to Tremadocian) age found in northern and western Anglesey and the adjacent Holy Island in North Wales. It comprises four formations; a lower South Stack Formation, an overlying Holyhead Formation, a succeeding Rhoscolyn Formation and an uppermost New Harbour Formation. The South Stack Formation outcrops on Holy Island, between Holyhead and South Stack and at Rhoscolyn, and also inland on Anglesey itself between Mynydd Mechell and Carreglefn. The Holyhead and Rhoscolyn formations are restricted to the Holyhead Mountain and Rhoscolyn areas of Holy Island. The New Harbour Formation, which previously enjoyed 'Group' status, is some 2km thick and conformably overlies the Rhoscolyn Formation. It extends (en)
name
  • Holy Island Group (en)
geo:lat
geo:long
foaf:depiction
  • http://commons.wikimedia.org/wiki/Special:FilePath/Sea_cliff_at_South_Stack_-_geograph.org.uk_-_113500.jpg
dcterms:subject
Wikipage page ID
Wikipage revision ID
Link from a Wikipage to another Wikipage
sameAs
subunits
  • South Stack, Holyhead, Rhoscolyn and New Harbour formations (en)
underlies
unitof
dbp:wikiPageUsesTemplate
thumbnail
age
caption
  • Folded meta-sandstones and mudstones of the South Stack Formation, a subdivision of the Holy Island Group (en)
period
  • Furongian (en)
region
  • Holy Island and Anglesey (en)
Thickness
  • over (en)
type
georss:point
  • 53.3 -4.666666666666667
has abstract
  • The Holy Island Group is a sequence of metasedimentary rocks of Cambro-Ordovician (Furongian to Tremadocian) age found in northern and western Anglesey and the adjacent Holy Island in North Wales. It comprises four formations; a lower South Stack Formation, an overlying Holyhead Formation, a succeeding Rhoscolyn Formation and an uppermost New Harbour Formation. The South Stack Formation outcrops on Holy Island, between Holyhead and South Stack and at Rhoscolyn, and also inland on Anglesey itself between Mynydd Mechell and Carreglefn. The Holyhead and Rhoscolyn formations are restricted to the Holyhead Mountain and Rhoscolyn areas of Holy Island. The New Harbour Formation, which previously enjoyed 'Group' status, is some 2km thick and conformably overlies the Rhoscolyn Formation. It extends across much of northern and western Anglesey and Holy Island. (en)
namedfor
otherlithology
  • Metamorphosed mudstone, quartzite, schist, phyllite etc (en)
overlies
  • not exposed (en)
prilithology
prov:wasDerivedFrom
page length (characters) of wiki page
foaf:isPrimaryTopicOf
geo:geometry
  • POINT(-4.6666665077209 53.299999237061)
is Link from a Wikipage to another Wikipage of
is unitof of
is foaf:primaryTopic of
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