Magma Collection

Strato volcanic eruption
A strato volcano has a steep volcanic cone built up by dense lava flows and pyroclastic debris. One of a series (including image numbers 185 to 190) showing various forms of volcanic eruption

Volcano erupting on Stromboli, Italy, 18th century
Eruption of the volcano on Stromboli island, Italy, 18th century. Handcoloured copperplate engraving by J.B. Hoessel from Friedrich Johann Bertuchs Bilderbuch fur Kinder (Picture Book for Children)

Quartz-feldspar porphyry
Geological specimen collected by Scotts British Antarctic Expedition 1910-1913, also known as the Terra Nova expedition. It had a broad scientific programme and collected thousands of geological

The Egyptian House, Penzance, Cornwall
The Egyptian House in Penzance, Cornwall, a Grade I listed building in Egyptian Revival style, dating from the early 19th century. Date: circa 1970s

Section through volcano crater lake
Illustration shows a section through volcano crater lake and also the system of tunnels at Kelut, Java, which drain the crater lake

Volcano types
Block diagram showing: (top left) Glowing cloud eruption, (top right) a shield volcano and (Bottom) a strato-volcano

Volcanic Activity
Block diagram showing various types of volcanic activity. One of a series of diagrams (including image numbers 185 to 190) showing volcanic activity

Igneous activity
A block diagram depicting various types of igneous activity. Fig 65 from The Story of the Earth (1977), a Geological Museum booklet

Gersdorffite comprises of (nickel arsenic suphide). It is associated with hydrothermal veins and magma derived from sulphite deposits. Specimen from the Natural History Museum, London

Subduction zone
An illustration of a subduction zone at work beneath the South American continent. Fig 20 from The Story of the Earth 1977, London

Oceanic subduction zone with island arc
This diagram shows a destructive plate margin, an oceanic subduction zone accompanied by a volcanic island arc

Volcanic eruption
A flood basalt eruption. One of a series (including image numbers 185 to 190) showing various forms of volcanic eruption

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