Figures

(Figure 1) Photo on cover.

(Figure 2) Rocks from the dawn of time.

(Figure 3) Location of inset maps.

(Figure 4) Inset map 1. Lochinver and area.

(Figure 5) Inset map 2. Handa Island to Cape Wrath.

(Figure 6) Inset map 3. Durness.

(Figure 7) Rodded and locally flattened dominantly quartz pebbles in pebbly and conglomeratic psammites of the A'Mhoine Psammite Formation. Ben Hutig, BGS Photo P552316. J R Mendum.

(Figure 8) View northwards from Anaboll onto the Heilam imbricates, northern Moine thrust Zone. BGS Photo P 524871 — M Krabbendam.

(Figure 9) A group of geologists at the Arnaboll Thrust, east of Loch Eriboll. BGS Photo P 524872 — M Krabbendam.

(Figure 10) Salterella Grit at the An ‘t Sron peninsula, Loch Eriboll. BGS Photo P537276, — M T Dean.

(Figure 11) Cliffs with east-dipping Moine mylonites of the Moine thrust zone, , Balnakeil Bay beach, Faraid Head Peninsula. BGS Photo P 524858 — M Krabbendam.

(Figure 12) Large chert concretions in Sail Mhor Formation, Balnakeil Bay, BGS Photo P 530617 — M Krabbendam.

(Figure 13) Basal Sangomore Formation, Durness Group. Kyle of Durness, BGS Photo P 537289 — M T Dean.

(Figure 14) Sandwood Bay from the south, BGS Photo P637344 — M Krabbendam.

(Figure 15) Imbricates in Cambrian quartzite, Foinaven., BGS Photo P571776 — K M Goodenough.

(Figure 16) Lewisian gneiss with mafic rocks and granite intrusions. Layby on the A838, north of Loch Laxford. BGS Photo P524837. — M Krabbendam.

(Figure 17) Large body of garnet-amphibolite, cut by pale, felsic dykes. North of Tarbet. BGS Photo P593116 — M Krabbendam.

(Figure 18) Scourie Dyke, Scourie Bay, BGS Photo P 530617 — K M Goodenough.

(Figure 19) Geologists from across the globe discussion the Lewisian gneiss at Scourie Mor, Peach & Horne field meeting 2007. BGS Photo P 667681 — K M Goodenough.

(Figure 20) Loch Glencoul. Glencoul Thrust to the left, the Stack of Glencoul with Moine mylonites to the far right. From near Unapool. BGS Photo P5135921 — M Krabbendam.

(Figure 21) Stoer Group sandstone at Clachtoll. BGS Photo P661222 — M Krabbendam.

(Figure 22) Well-preserved 1200 million year old ripple marks in Stoer group siltstone, Bay of Stoer. BGS Photo P518651 — K M Goodenough.

(Figure 23) Rugged coastline north of Achmelvich. BGS Photo P 513583 — M Krabbendam.

(Figure 24) Structures in Lewisian gneiss, beach north-west of Achmelvich. BGS Photo P513591 — M Krabbendam.

(Figure 25) Monocraterion and Skolithus burrows in Cambrian Pipe Rock, Skiag Bridge. BGS Photo P524489 — E R Phillips.

(Figure 26) Close-up of Canisp porphyry, Beinn Garbh, BGS Photo P531559 — K M Goodenough.

(Figure 27) Guided walk group on a porphyry sill, Cnoc an Droighinn. BGS Photo P669289. K M Goodenough.

(Figure 28) The Traligill Thrust Plane at Traligill Burn. BGS Photo P530634.

(Figure 29) Entrance of the Uamh an Uisge cave, Cnoc nam Uamh, Traligill Valley, taken during guided walk. BGS Photo. P530601 — M Krabbendam.

(Figure 30) Clint and grykes: karst weathering of the Durness dolostone, Traligill Valley, BGS Photo. P531595 — M Krabbendam

(Figure 31) Imbricated Eilean Dubh Formation dolostones in the cliffs at Stronchrubie, Traligill Valley, BGS Photo. P667674 — K M Goodenough.

(Figure 32) Waterfall over vogesite sill, Allt nan Uamh. BGS Photo P512707 — T Bradwell.

(Figure 33) The cave entrance of the Caeg nam Uamh caves. BGS Photo P531624 — M Krabbendam.

(Figure 34) Limestone crags, bone caves and Allt nan Uamh, seen from Beinn nan Cnaimsheag. BGS Photo P530477 — T Bradwell

(Figure 35) Na Tuadhan, from the Conival — Ben More Assynt ridge. A hanging-wall anticline is clearly visible. BGS Photo P530512 — M Krabbendam.

(Figure 36) 'Grorudite' (peralkaline rhyolite) dyke cutting Loch Ailsh syenites, Glen Oykel. BGS Photo P506430 — K M Goodenough.

(Figure 37) Complex cross-cutting relationships in the Loch Ailsh syenitesGlen Oykel. BGS Photo P506429 — K M Goodenough.

(Figure 38) Outcrop of nordmarkite sill in the Allt na Cailliche, E of Loch Ailsh. BGS Photo P531459 — K M Goodenough.

(Figure 39) Oblique aerial view taken from above Ledbeg, looking south-west onto the hill of Cnoc na Sroine forming the bulk of the Loch Borralan Pluton. BGS Photo P000784, A Christie.

(Figure 40) A fossil specimen of Olenellus lapworthi Peach trilobite, collected at Loch Awe quarry,. BGS Biostratigraphy Collection number GSM 102270, BGS Photo P521151.

(Figure 41) View from Elphin. Foreland and The hill of Cnoc Leathaid Bhig — forming the Cam Loch Klippe, seen from Elphin. BGS Photo P571727— M Krabbendam.

(Figure 42) Cam Loch, Suilven in the back ground. BGS Photo P000792.

(Figure 43) A geologist from Mauritania at the Moine Thrust locality at Knockan Crag NNR. BGS Photo P512002 — R M Key.

(Figure 44) Classic Lewisian gneiss cnoc-and-lochan landscape around Loch Sionascaig viewed from the summit of Cul Beag. The Torridonian sandstone inselbergs of Cul Mor and Suilven are seen on the right. BGS Photo P530413 — T Bradwell.

(Figure 45) Large-scale cross-bedding in Stoer Group sandstone, Achnahaird Bay. BGS Photo P668334 — M Krabbendam.

(Figure 46) Vertical foliation and boudins of dark amphibolite in Lewisian Gneiss, Traigh Allt Chailgeag beach. M Krabbendam.

(Figure 47) Loch Glendhu, seen from near Kylesku. BGS Photo P 517103 — R M Key.

(Figure 48) Suilven from Fionn Loch. BGS Photo P512915 — T Bradwell.

(Figure 49) Quinag massif from Kylesku. BGS Photo P 514946 — M Krabbendam.

(Figure 50) Rock towers on the summit ridge of Stac Pollaidh. BGS Photo P 512989 — M Krabbendam.

(Figure 51) Megagrooves near Elphin, carved out in a dipslope of quartzite. BGS Photo P571859 — K M Goodenough.

(Figure 52) The entrance to Smoo Cave. The cave is a large limestone dissolution cavern connected to the sea, via Geodha Smoo, at high tide. BGS Photo P530460 — T Bradwell.

(Front cover) Front cover.