Table 2 - Revision history

Dbk at 14:28, 5 May 2016

2016-05-05T14:28:59Z

← Older revision		Revision as of 15:28, 5 May 2016
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	{\| class="wikitable" style="width: 700px;"		{\| class="wikitable" style="width: 700px;"
	\| valign="top" colspan="2" \| '''Development phase'''		\| valign="top" colspan="2" \| '''Development phase'''
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	\| valign="top" \| 3		\| valign="top" \| 3
	\| valign="top" \| Monogenetic andesite volcanoes		\| valign="top" \| Monogenetic andesite volcanoes
	\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m		\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; <2700 m
	\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation		\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation
	\|-		\|-

Dbk at 14:15, 5 May 2016

2016-05-05T14:15:28Z

← Older revision		Revision as of 15:15, 5 May 2016
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	{\| class="wikitable" style="width: 700px;"		{\| class="wikitable" style="width: 700px;"
	\| colspan="2" \| '''Development phase'''		\| valign="top" colspan="2" \| '''Development phase'''
	\| '''Location, lithofacies and thickness'''		\| valign="top" \| '''Location, lithofacies and thickness'''
	\| '''Main events'''		\| valign="top" \| '''Main events'''
	\|-		\|-
	\| valign="top" \| 11		\| valign="top" \| 11
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	\| valign="top" \| Monogenetic andesite volcanoes		\| valign="top" \| Monogenetic andesite volcanoes
	\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m		\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m
	\| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation		\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation
	\|-		\|-
	\| valign="top" \| 2		\| valign="top" \| 2

Dbk at 14:14, 5 May 2016

2016-05-05T14:14:22Z

← Older revision		Revision as of 15:14, 5 May 2016
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	{\| class="wikitable"		{\| class="wikitable" style="width: 700px;"
	\| colspan="2" \| '''Development phase'''		\| colspan="2" \| '''Development phase'''
	\| '''Location, lithofacies and thickness'''		\| '''Location, lithofacies and thickness'''

Dbk at 14:11, 5 May 2016

2016-05-05T14:11:25Z

Show changes

Dbk at 14:08, 5 May 2016

2016-05-05T14:08:10Z

← Older revision		Revision as of 15:08, 5 May 2016
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	\| '''Main events'''		\| '''Main events'''
	\|-		\|-
	\| 11		\| valign="top" \| 11
	\| Marine transgression		\| Marine transgression
	\| Post-BVG<br>Marginal to Lake District in late Caradoc times; S Lake District in Ashgill		\| Post-BVG<br>Marginal to Lake District in late Caradoc times; S Lake District in Ashgill

Dbk at 14:02, 5 May 2016

2016-05-05T14:02:24Z

← Older revision		Revision as of 15:02, 5 May 2016
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	{\| class="wikitable"		{\| class="wikitable"
	\| colspan="2" \| Development phase		\| colspan="2" \| '''Development phase'''
	\| Location, lithofacies and thickness		\| '''Location, lithofacies and thickness'''
	\| Main events		\| '''Main events'''
	\|-		\|-
	\| 11		\| 11
	\| Marine transgression		\| Marine transgression
	\| Post-BVG		\| Post-BVG<br>Marginal to Lake District in late Caradoc times; S Lake District in Ashgill



	Marginal to Lake District in late Caradoc times; S Lake District in Ashgill
	\| Thermal contraction of granites on cooling allowed progressive marine transgression on to Lake District block		\| Thermal contraction of granites on cooling allowed progressive marine transgression on to Lake District block
	\|-		\|-

Dbk: Created page with " {| class="wikitable" | colspan="2" | Development phase | Location, lithofacies and thickness | Main events |- | 11 | Marine transgression | Post-BVG Marginal to Lake Dist..."

2016-05-05T13:22:54Z

Created page with " {| class="wikitable" | colspan="2" | Development phase | Location, lithofacies and thickness | Main events |- | 11 | Marine transgression | Post-BVG Marginal to Lake Dist..."

New page

{| class="wikitable"
| colspan="2" | Development phase
| Location, lithofacies and thickness
| Main events
|-
| 11
| Marine transgression
| Post-BVG

Marginal to Lake District in late Caradoc times; S Lake District in Ashgill
| Thermal contraction of granites on cooling allowed progressive marine transgression on to Lake District block
|-
| 10
| Batholith emplacement
| Beneath Scafell and Haweswater calderas. Granite, microgranite and granodiorite
| Injection of thick tabular granite sheets resulting in uplift and erosion of volcanic field
|-
| 9b
| Cross Fell
| Cross Fell Inlier. Volcaniclastic sedimentary and pyroclastic rocks, one major sheet of silicic lapilli-tuff; >1100 m
| Volcaniclastic sedimentation interspersed with sporadic pyroclastic eruptions
|-
| 9a
| Gosforth succession
| West Cumbria: stratiform sequence of andesitic and dacitic lapilli-tuff with

subordinate volcaniclastic sedimentary rocks and andesite sills; >2500 m
| Dominantly explosive intermediate and silicic pyroclastic activity producing many densely welded ignimbrites; ?caldera related
|-
| 8
| Helvellyn Basin succession
| Central Fells, Helvellyn Basin. Stratiform units of volcaniclastic sandstone and breccia; subordinate pyroclastic units and a silicic lava; >1600 m
| Fluviolacustrine sedimentation within extensional basin with episodic catastrophic influx of eruption-generated sediment-gravity flows; interrupted by small andesite lava shields and ignimbrite emplacement
|-
| 7
| Lincomb Tarns ignimbrite
| Throughout BVG.

Eutaxitic and parataxitic dacitic lapilli-tuff; columnar jointed; >800 m
| Most widespread and voluminous ignimbrite within BVG. Large magnitude silicic pyroclastic eruptions forming ignimbrite shield
|-
| 6
| Ambleside Basin succession
| Central south Lake District. Oversteps 5a, b, 4a; bedded volcaniclastic sandstone and breccia; >1100 m
| Fluviolacustrine sedimentation dominated by catastrophic influx of eruption generated sediment-gravity flows.

?Associated with emplacement of many sills
|-
| 5b
| Kentmere Basin succession
| SE Lake District. Bedded units of volcaniclastic sedimentary rocks, intercalated with sheets of pyroclastic rocks, some lavas; <2800 m
| Intermediate to silicic ignimbrites; andesitic tuff-cone and lava-shield; fluviolacustrine sedimentation at base; major centre for sill emplacement
|-
| 5a
| Duddon Basin succession
| SW Lake District. Stratified sequence of volcaniclastic sedimentary rocks, andesitic and rhyolitic pyroclastic rocks and andesite lavas
| Explosive intermediate ?caldera-related pyroclastic eruptions; succeeded

by catastrophic eruption-generated sedimentation in extensional basin, episodically interrupted by emplacement of silicic ignimbrites. Many sills emplaced?
|-
| 4b
| Haweswater Caldera succession
| Ullswater, Haweswater. Stratified sheets of dacitic and rhyolitic pyroclastic rocks; garnetiferous; <650 m
| Large magnitude silicic pyroclastic activity; large-volume ignimbrites associated with caldera collapse
|-
| 4a
| Scafell Caldera succession
| Central Fells. Stratified sheets of andesitic, dacitic and rhyolitic pyroclastic rocks; dacite and rhyolite lavas; garnetiferous. Overlain by bedded volcaniclastic sandstone and breccia;

>700 m
| Andesitic phreatoplinian eruption followed by sequence of large volume silicic ignimbrites with associated development of piecemeal hydrovolcanic caldera; postcaldera silicic lavas and caldera basin sedimentary infill
|-
| 3
| Monogenetic andesite volcanoes
| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous;

< 2700 m
| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation
|-
| 2
| Initial phreato- magmatism
| Devoke Water, Calder Bridge, Millom Park, Ullswater. Mafic lapilli-tuff and

tuff-breccia; contains much mudstone and sandstone from Skiddaw Group; <600 m
| Hydrovolcanism, construction of tuff-cone field(s)
|-
| 1
| Pre-volcanic
| Latterbarrow Sandstone and Overwater Siltstone locally preserved; 0–400 m
| Regional uplift and erosion of Skiddaw Group. Local evidence of fluvial and

?marine deposition
|}

← Older revision		Revision as of 15:28, 5 May 2016
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	{\| class="wikitable" style="width: 700px;"		{\| class="wikitable" style="width: 700px;"
	\| valign="top" colspan="2" \| '''Development phase'''		\| valign="top" colspan="2" \| '''Development phase'''
Line 63:		Line 61:
	\| valign="top" \| 3		\| valign="top" \| 3
	\| valign="top" \| Monogenetic andesite volcanoes		\| valign="top" \| Monogenetic andesite volcanoes
	\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m		\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; <2700 m
	\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation		\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation
	\|-		\|-

← Older revision		Revision as of 15:15, 5 May 2016
Line 2:		Line 2:

	{\| class="wikitable" style="width: 700px;"		{\| class="wikitable" style="width: 700px;"
	\| colspan="2" \| '''Development phase'''		\| valign="top" colspan="2" \| '''Development phase'''
	\| '''Location, lithofacies and thickness'''		\| valign="top" \| '''Location, lithofacies and thickness'''
	\| '''Main events'''		\| valign="top" \| '''Main events'''
	\|-		\|-
	\| valign="top" \| 11		\| valign="top" \| 11
Line 64:		Line 64:
	\| valign="top" \| Monogenetic andesite volcanoes		\| valign="top" \| Monogenetic andesite volcanoes
	\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m		\| valign="top" \| Throughout BVG. Andesite lavas and sills, some of basalt, basaltic andesite and dacite; subordinate tuff, lapilli-tuff and sandstone; some units garnetiferous; < 2700 m
	\| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation		\| valign="top" \| Construction of subaerial, multiple-vent, low-profile andesite volcanoes; some high volume basalt lava-fields; episodic silicic volcanism including possible caldera formation
	\|-		\|-
	\| valign="top" \| 2		\| valign="top" \| 2