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| GHL No | |
|---|---|
| 44 | Pillows breaking up on entering water, Loekken Mine |
| 45 | Late K-pegmatite. Note crosscuttings in Badcall Lewisian: gneiss cut by quartz vein & cut by pegmatite). Badcall, near Scourie, Scotland |
| 46 | Pillows, tuff infill?, Carmanville South, Newfoundland |
| 47 | Pillow lavas, Gwna Series Anglesey |
| 48 | Tuff. Nodular Pitts Head Rhyolitic Tuff, Cwm Idwal, North Wales. |
| 50 | Tuff. Nodular Pitts Head Rhyolitic Tuff, Cwm Idwal, North Wales. |
| 51 | Tuff. Nodular Pitt's Head Rhyolitic Tuff. Cwm idwal, North Wales |
| 52 | Pillow lavas, Gwna Series Anglesey |
| 53 | Little Whin Sill, just west of Stanhope, Weardale. |
| 54 | Orbicular Granodiorite, Glandowan Point, (The Rosses), Donegal |
| 55 | Orbicular Granodiorite, Glandowan Point, (The Rosses), Donegal |
| 56 | Eutaxitic Texture - flattened welded tuff, Taylorgill Force, Styhead Gill, Cumbria. |
| 57 | Autobrecciated rhyolite, Seathwaite Fell, above Styhead Tarn, Cumbria |
| 58 | Hornstones in Seathwaite Tuffs, Seathwaite Fell, above Styhead Tarn, Cumbria |
| 59 | Tuff vent in Hornstone, Seathwaite Fell, above Styhead Tarn |
| 60 | Pegmatitie. Detail of 'balled' pegmatite, Swordly Bay, North Sutherland |
| 61 | Pegmatitie. Detail of 'balled' pegmatite, Swordly Bay, North Sutherland |
| 62 | Rapakivi feldspar (augened) |
| 63 | Hyaloclastite, Vassfjellet, Norway |
| 64 | Sickle-shaped 'pillowette' in matrix of broken pillows+pillowettes+black shard-like glass frags. Loekken Mine, Norway |
| 65 | Incipient breaking up of a pillow on entering water. Loekken Mine, Norway |
| 66 | Hyaloclastite: pillow breccia (little pillows very mobile, squeezed ones broken). Loekken Mine, Norway |
| 69 | Gabbroic anorthosite with pyroxene layers, Table Mountain, South Africa |
| 72 | Pegmatite, detailed view. Swordly Bay, North Sutherland. |
| 74 | Dyke. Scourie dyke, W. Chiapaval, Harris |
| 75 | Dyke. Scourie dyke, W. Chiapaval, Harris |
| 76 | Dykes. Scourie dykes in cliff, North of Tarbert, Scotland |
| 77 | Dyke. Scourie dyke, Badcall, Scotland |
| 78 | Dyke. Multiple intrusions in Scourie dyke. Tarbert, Scotland |
| 79 | Pegmatite. Late pegmatitie in psammite, Loch Eilt, Scotland |
| 80 | Dyke. 1000m north of Tarbert. Scotland. |
| 81 | Dyke. Small ultramafic Scourie dyke in gneiss - all with Laxfordian foliation, but cross-cutting of S2 (Scourian) still seen. Shore South of Diabaig village, Scotland. |
| 83 | Dyke. Thin basic Scourie dyke cross-cutting gneiss. Shore south of Diagaig village, Scotland. |
| 84 | Dyke. Ultramafic Scourie dyke with Laxfordian foliation in all rocks, but cross-cutting of S2 (Scourian). Shore South of Diabaig village, Scotland. |
| 85 | Dyke. Thin basic Scourie dyke cross-cutting gneiss. Shore South of Diagaig village, Scotland. |
| 86 | Pegmatite. Post D3 cross-cutting pegmatite in in schist. Loch Eilt, Scotland |
| 87 | Pegmatite in Gr gneiss. Genfinnan Rd. |
| 88 | Fine foliated Grdiorite dyke + f3 fold profiles. Carn Farr |
| 89 | Columnar joints, Giant's Causeway, Antrim |
| 90 | Columnar joints, Giant's Causeway, Antrim |
| 91 | Sheared dyke margin in shear zone in granite. Close up. Achnelvich N. (?) |
| 92 | Ophiolite layered gabbro. Blow me Down, Newfoundland |
| 97 | Spheroidal weathering |
| 100 | Spheroidal weathering in dolerite. Traeddur Bay, Anglesey |
| 101 | Weathering of basalt. Giant's Causeway. |
| 196 | Dyke. Ameralik dyke in Amistoq Gneiss, West Greenland |
| 464 | Basalt, Little Houghton |
| 465 | Dyke, Glen Brittle, Skye |
| 466 | Dyke, Skye |
| 467 | Lava plateaux, Skye |
| 468 | Xenoliths (enclaves) in igneous rock. |
| 469 | Granite with enclaves (xenoliths) Glacial erratic, Thurstaston shore, Wirral |
| 470 | Sill. Contact with country rock. Anglesey |
| 471 | Lava flow, Sunset Crater, Arizona. |
| 472 | Sill. Whin Sill & Hadrian's Wall, Northumberland. |
| 473 | Sill. Dunstanburgh, Northumberland. |
| 475 | Base of pillow lava, Port Bealach nan Gall, Argyll & Bute, Scotland. |
| 476 | Top of pillow lava, Port Bealach nan Gall, Argyll & Bute, Scotland. |
| 477 | Pegmatite. Contact with gneiss. Calavine, Scotland |
| 478 | Pegmatite. Contact with gneiss. Calavine, Scotland |
| 479 | Pegmatite. Contact with gneiss. Calavine, Scotland |
| 606 | Sill. Contact between dolerite sill and Cambrian beds, Porth Clais, Wales. |
| 607 | Sill. Contact between dolerite sill and Cambrian beds, Porth Clais, Wales. |
| 608 | Sill. Contact between dolerite sill and Cambrian beds, Porth Clais, Wales. |
| 615 | Gabbro. Gabbro showing layering, boulder in Whitesands bay, Pembrokeshire, wales |
| 616 | Gabbro showing 'cross bedding'. St David's Head, Pembrokeshire, Wales |
| 623 | Gabbro. Clawddy Milwyr, St David's Head, Pembrokeshire, wales |
| 624 | Gabbro. Boulder in Whitesands bay, Pembrokeshire, Wales |
| 629 | Flow-banded rhyolite. Anglas Bay, Pembrokeshire, Wales |
| 630 | Rhyolite, Y Penrhyn, Wales |
| 660 | Coarse porphyritic granite. Note the phenocrysts, twinned crystals and dark mafic enclaves., Caledonian intrusive rock. Shap, Cumbria. |
| 661 | Coarse porphyritic granite. Note the phenocrysts, twinned crystals and two types of dark mafic enclaves. Caledonian intrusive rock. Shap, Cumbria. |
| 662 | Coarse porphyritic granite. Note the phenocrysts and two types of dark mafic enclaves. Caledonian intrusive rock. Shap, Cumbria. |
| 663 | Coarse porphyritic granite. Note the phenocrysts and dark mafic enclaves. Caledonian intrusive rock. Shap, Cumbria. |
| 664 | Coarse porphyritic granite. Rock forming minerals: quartz, plagioclase, orthoclase, biotite. Note the phenocrysts & twinned crystals. Caledonian intrusive rock. Shap, Cumbria. |
| 665 | Basalt. Amygdaloidal basalt. Near Gongamannafoss, Iceland. |
| 666 | Basalt: pahoehoe lava flow, Thingvellir, Iceland |
| 667 | Porphyritic granite, Haytor Rocks, Devon. Note the details in the feldspar phenocryst. Devon |
| 668 | Porphyritic granite, Haytor Rocks, Devon |
| 669 | Porphyritic granite. Note the details in the feldspar phenocryst. Devon |
| 670 | Porphyritic granite. Haytor Rocks, Devon |
| 671 | Granite tor, Haytor Rocks, Devon |
| 672 | Columnar jointing in basalt, Hljoyhaklettar,Iceland |
| 673 | Columnar jointing in basalt. Hljoyhaklettar, Iceland |
| 674 | Pillow lavas, Llanddwyn Island, Anglesey |
| 675 | Pillow lavas, Llanddwyn Island, Anglesey |
| 676 | Dyke, Traeth Bychan, Anglesey. (Tertiary intrusion cutting Carboniferous limestone. |
| 677 | Dyke, Traeth Bychan, Anglesey. (Tertiary intrusion cutting Carboniferous limestone.) |
| 678 | Amygdaloidal basalt. Iceland. |
| 679 | Dyke. Intruded into folded meta-sediments of New Harbour Group. Porth y Post, Anglesey. |
| 680 | Dyke. Late Silurian dyke intruded into Precambrian Gwna Group rocks on Llanddwyn Island, Anglesey |
| 681 | Columnar jointing in basalt. Hljoyhaklettar, Iceland |
| 682 | Columnar jointing in basalt, Staffa, Scotland |
| 683 | Columnar jointing in basalt, Staffa, Scotland |
| 684 | Columnar jointing in basalt, Staffa, Scotland |
| 685 | Pahoehoe lava, Krafla, Iceland |
| 686 | Basalt lava flow surface, Krafla, Lceland |
| 687 | Basalt lava flow, Krafla, Iceland |
| 688 | Fumeroles, Krafla, Iceland |
| 689 | Basalt lava flow surface, Krafla, Iceland |
| 690 | Basalt lava flow surface, Krafla, Iceland |
| 691 | Coarse porphyritic granite. Note the phenocrysts and dark mafic enclaves. Caledonian intrusive rock. Shap, Cumbria. |
Gallery of igneous rocks
These images could be used as illustrations, as a teaching resource or to test students' undersanding of igneous rocks.
