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Mark Vanstone's Snapshots

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  1. Caldera wall

    Snapshot Title: Caldera wall
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    A caldera is a large cooking pot-shaped depression, left when a volcano erupts. Las Cañadas caldera was formed when a huge stratovolcano erupted, various detailed theories exist for this, including a...



  2. Vegetation

    Snapshot Title: Vegetation
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    The Mount Teide National Park is characterised by sparse vegetation, which clings on to this arid, rocks environment. Although slightly out of focus, you can get the idea of the types of vegetation do...



  3. Alternating layers

    Snapshot Title: Alternating layers
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Stratovolcanoes are also called Composite Volcanoes. They are characterised by alternating layers of lava and pyroclastic material. This layering is best displayed at the eastern end of the caldera, i...



  4. Lava Flow

    Snapshot Title: Lava Flow
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Crude columnar jointing in a thick lava flow on the cadera rim.



  5. Radial dykes

    Snapshot Title: Radial dykes
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Although this is not the best viewpoint to illustrate this feature, many of the ridges running into the caldera floor appear to radiate from the centre of the caldera. Radial dykes, made of more-resis...



  6. Water in the caldera floor

    Snapshot Title: Water in the caldera floor
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    The caldera floor is partly filled with alluvial material, eroded from the surrounding high ground. Sometimes, much of the western caldera floor can be covered with a shallow lake, of which this small...



  7. Pico Viejo

    Snapshot Title: Pico Viejo
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Pico Viejo is a slightly lower cone on the side of Mount Teide. It is far more impressive viewed from the side of Mount Teide, since it has a well-developed volcanic crater. You can get an idea of thi...



  8. Lower Teleferico station and car park

    Snapshot Title: Lower Teleferico station and car park
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    This is the lower cable car station and car park. The cable car only runs when the weather is fine. If you intend to make the trip, warm clothes, stout shoes, plenty of water and sunscreen are recomme...



  9. Upper Teleferico station

    Snapshot Title: Upper Teleferico station
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    When the weather is fine, it is possible to access the mountain via a cable car, or Teleferico, which is a bumpy ride, but provides easy access to the summit area. Without a permit, it is possible to ...



  10. El Teide

    Snapshot Title: El Teide
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    The summit of Mount Teide, viewed from the edge of the caldera. Teide is a strato volcano, or composite volcano, which erupts alkali basalts and phonolites. The dark material below the main cone is mo...



  11. Lava Cascade

    Snapshot Title: Lava Cascade
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    A lava cascade, where relatively recent basaltic lava from El Teide has solidified in the act of falling from the upper, eastern part of the caldera floor, into the lower, western part of the caldera.



  12. Roque Cinchado

    Snapshot Title: Roque Cinchado
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Only just visible in this image, Roque Cinchado, 'the thumb", which is normally photographed from the walk around Los Roques de Garcia, with El Teide in the background.



  13. La Catedral

    Snapshot Title: La Catedral
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    La Catedral is the remains of a volcanic feeder pipe, which fed the eruptions of Las Cañadas volcano. Although only faintly visible in this view, this volcanic neck has radial columnar jointing.



  14. Los Azulejos

    Snapshot Title: Los Azulejos
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Green hydrothermally-altered rocks where the Roques de Garcia meet the caldera rim. This hydrothermal alteration may have been controlled by hot fluids moving along the caldera rim fault.



  15. Parador Hotel

    Snapshot Title: Parador Hotel
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    The Parador Hotel is near the viewing point for Los Roques de Garcia and includes a small gift shop selling, amongst other things, photographic goods and also toilets, which can be used by the public.



  16. Los Roques de Garcia

    Snapshot Title: Los Roques de Garcia
    Taken by: Mark Vanstone

    Image: Mount Teide from Las Cañadas caldera rim
    Image Owner: Mark Vanstone



    Description:

    Los Roques de Garcia are an ancient volcanic plumbing system from Las Cañadas volcano, including cone sheets, dykes with columnar joints, pyroclastic deposits, possibly from debris flows and a huge v...



  17. Dextral tear fault

    Snapshot Title: Dextral tear fault
    Taken by: Mark Vanstone

    Image: Plunging folds and a tear fault at Summerleaze Beach in Bude
    Image Owner: Mark Vanstone



    Description:

    The beds are truncated here by a dextral tear fault.



  18. Load casts and flame structures

    Snapshot Title: Load casts and flame structures
    Taken by: Mark Vanstone

    Image: Plunging folds and a tear fault at Summerleaze Beach in Bude
    Image Owner: Mark Vanstone



    Description:

    Load casts and flame structures produced by the rapid deposition of a thick layer of sandstone on top of the water-logged shale.



  19. Ripple marks

    Snapshot Title: Ripple marks
    Taken by: Mark Vanstone

    Image: Plunging folds and a tear fault at Summerleaze Beach in Bude
    Image Owner: Mark Vanstone



    Description:

    Symmetrical ripple marks on the surface of a sandstone bed show these rocks were deposited in shallow water and that the shore line was probably at right angles to the present-day shore line.



  20. Loaves and Fishes

    Snapshot Title: Loaves and Fishes
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Loaves and Fishes



  21. Sermon on the Mount

    Snapshot Title: Sermon on the Mount
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Sermon on the Mount



  22. Bishops II

    Snapshot Title: Bishops II
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Bishop Stubbs, Arch Bishop Temple



  23. Monarchs III

    Snapshot Title: Monarchs III
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    King William I, King Edward I, King Henry V, King Henry VIII, Queen Elizabeth I



  24. Bishops

    Snapshot Title: Bishops
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Bishop Wilkinson, Arch Bishop Benson, Bishop Gott



  25. Monarchs II

    Snapshot Title: Monarchs II
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Queen Victoria, King Edward VII, Queen Alexandria



  26. Monarchs

    Snapshot Title: Monarchs
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    King Arthur, King Alfred, King George V King Charles I



  27. Veracity and Patience

    Snapshot Title: Veracity and Patience
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Moralities: Veracity and Patience



  28. Mercy and Faith

    Snapshot Title: Mercy and Faith
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Moralities: Mercy and Faith



  29. Knowledge and Wisdom

    Snapshot Title: Knowledge and Wisdom
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Moralities: Knowledge (L) and Wisdom (sun on chest) (R).



  30. Sobriety and Chastity

    Snapshot Title: Sobriety and Chastity
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Moralities: Sobriety (L) (fibreglass by Guy Saunders) and Chastity (R).



  31. Building the cathedral

    Snapshot Title: Building the cathedral
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Building of the cathedral (Benson).



  32. Kenstec

    Snapshot Title: Kenstec
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Kenstec submitting to Canterbury (fibreglass by Guy Sanders).



  33. St Piran

    Snapshot Title: St Piran
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Oratory at Perran Sands by St Piran.



  34. St Petroc

    Snapshot Title: St Petroc
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Freeing of serfs at Bodmin by St Petroc.



  35. Meriadoc

    Snapshot Title: Meriadoc
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Tympanum - Cornish Saints
    Saint Meriadoc



  36. Pinn and Buriena

    Snapshot Title: Pinn and Buriena
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Tympanum - Cornish Saints
    Saints Pinn (L) and Buriena (R)



  37. Ia and Petroc

    Snapshot Title: Ia and Petroc
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Tympanum - Cornish Saints
    Saints Ia (L) and Petroc (R)



  38. Cuby

    Snapshot Title: Cuby
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Tympanum - Cornish Saints
    Saint Cuby



  39. Philip Davey

    Snapshot Title: Philip Davey
    Taken by: Mark Vanstone

    Image: Truro Cathedral
    Image Owner: Mark Vanstone



    Description:

    Philip Davey



  40. Lemon Street

    Snapshot Title: Lemon Street
    Taken by: Mark Vanstone

    Image: Truro Piazza
    Image Owner: Mark Vanstone



    Description:

    Lemon Street, leading to the Lander Memorial.



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