Editing Fraserburgh – Inverallochy - Gardenstown – Boggierow Wood. Day 6. Excursion to the Banffshire Coast

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== Inverallochy. [NK 050 648]  ==
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== Inverallochy.[NK 050 648]  ==
  
 
(Figures 41, 42, 43; Plates 32)
 
(Figures 41, 42, 43; Plates 32)
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On returning to the parking, drive west to the end of the village, park and examine the psammites on the foreshore immediately below that show well-developed ‘relict’ pressure solution striping.
 
On returning to the parking, drive west to the end of the village, park and examine the psammites on the foreshore immediately below that show well-developed ‘relict’ pressure solution striping.
  
Cairnbulg [NK 034 655]
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Cairnbulg[NK 034 655]
  
 
(Figures 41, 42, 43; Plates 30, 31)
 
(Figures 41, 42, 43; Plates 30, 31)
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Drive past harbour to shore west of jetty. Park in open space overlooking the beach.
 
Drive past harbour to shore west of jetty. Park in open space overlooking the beach.
  
Proceed by coast path 200 m to southwest. Examine good examples of migmatites, diorite and cross cutting Cairnbulg Granite (Johnson et al, 2001). Complex relationships are well seen. Rarely, lenses of sillimanite-rich pelite can be found.
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Proceed by coast path 200m to southwest. Examine good examples of migmatites, diorite and cross cutting Cairnbulg Granite (Johnson et al, 2001). Complex relationships are well seen. Rarely, lenses of sillimanite-rich pelite can be found.
  
== Kinnairds Head, Fraserburgh [NJ 998 677]  ==
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== Kinnairds Head, Fraserburgh[NJ 998677]  ==
  
 
(Figure 41; Plate 29)
 
(Figure 41; Plate 29)
  
Park at the lighthouse museum. Examine the rock section at the top of the foreshore below the foghorn by the lighthouse. Calcareous semipelites, calc-silicate rock and impure metalimestones of the Kinnairds Head ‘group’ (Crinan-Tayvallich Subgroup can be seen. Excellent D3 folds and retrograded andalusite; locally with sillimanite. Vertical face c.15 m northeast of the foghorn shows a classic refolded fold with tight F1 and stepped F3. The metasedimentary rocks are cut by white leucotonalite veins and sheets up to 2 m thick.,
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Park at the lighthouse museum. Examine the rock section at the top of the foreshore below the foghorn by the lighthouse. Calcareous semipelites, calc-silicate rock and impure metalimestones of the Kinnairds Head ‘group’ (Crinan-Tayvallich Subgroup can be seen. Excellent D3 folds and retrograded andalusite; locally with sillimanite. Vertical face c.15m northeast of the foghorn shows a classic refolded fold with tight F1 and stepped F3. The metasedimentary rocks are cut by white leucotonalite veins and sheets up to 2 m thick.,
  
== Gardenstown (1) [NJ 803 651]  ==
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== Gardenstown (1)[NJ 803 651]  ==
  
 
(Figures 38, 39, 40; Plates 25, 26)
 
(Figures 38, 39, 40; Plates 25, 26)
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Go to east end of town and park at shore near picnic tables. Walk along shore to The Snook. The basal part of the Mid Devonian Gardenstown Conglomerate Formation is well exposed in the cliff. Its unconformable relationship with the underlying Early Devonian Seatown Sandstone Member of the Pennan Sandstone Formation (Crovie Sandstone Group) can be traced along the shore. In parts small- and medium-scale faults obscure the contact.
 
Go to east end of town and park at shore near picnic tables. Walk along shore to The Snook. The basal part of the Mid Devonian Gardenstown Conglomerate Formation is well exposed in the cliff. Its unconformable relationship with the underlying Early Devonian Seatown Sandstone Member of the Pennan Sandstone Formation (Crovie Sandstone Group) can be traced along the shore. In parts small- and medium-scale faults obscure the contact.
  
== Gardenstown (2) [NJ 799 648]  ==
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== Gardenstown (2)[NJ 799 648]  ==
  
 
(Figures 38, 39, 40; Plates 25, 27)
 
(Figures 38, 39, 40; Plates 25, 27)
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Walk or drive to west side of the harbour. A good section is exposed directly below the wall in the Early Devonian West Harbour Sandstone Member of the Pennan Sandstone Formation (Crovie Sandstone Group). Near a concrete block, good ripple marks, cross bedding, convolute bedding and mudclasts are seen. 22m out from centre of the stone jetty wall trace fossils with Beaconichnus (arthropod tracks) are found. Beaconites and good mud cracks can also be found immediately on the foreshore just to the west.
 
Walk or drive to west side of the harbour. A good section is exposed directly below the wall in the Early Devonian West Harbour Sandstone Member of the Pennan Sandstone Formation (Crovie Sandstone Group). Near a concrete block, good ripple marks, cross bedding, convolute bedding and mudclasts are seen. 22m out from centre of the stone jetty wall trace fossils with Beaconichnus (arthropod tracks) are found. Beaconites and good mud cracks can also be found immediately on the foreshore just to the west.
  
== Boggierow Quarry [NJ 575 652]  ==
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== Boggierow Quarry[NJ 575 652]  ==
  
 
(Figure 31)
 
(Figure 31)

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