 |
Orange River from Provenance Camp |
 |
Lush grass and shady trees of Provenance Camp on the north bank of the
Orange River |
 |
Monoclinal boxfold developed in Nama strata, causing the quartzites to
dip vertically, near Modderdrif |
 |
Sharp hinge in the monoclinal box fold near Modderdrif |
 |
Black Nama limestone strata characterise the Orange canyon at Modderdrif |
 |
Normal fault in the black Nama limestones |
 |
Disharmonic anticlinal fold in black Nama limestone strata, Modderdrif |
 |
Xaminxaip, Nama strata upstream in the distance, with Richtersveld granites
in foreground |
 |
Xaminxaip, where the Orange makes an abrupt turn north at Hamerkop Point |
 |
"King Kong" a distinctive cliff near the mouth of the Stinkfontein River,
built from mafic feldspar-phyric syenite |
 |
View upstream from the top of King Kong, dark syenites and quartz syenites
of the Richtersveld igneous complex |
 |
Dawn sun on quartz syenites upstream from King Kong |
 |
Multiple intrusive phases of the Richtersveld complex between King Kong
and Sjambokkloof |
 |
Intense dyke injection into the Sjambokkloof granite |
 |
Sjambok rapids, formed by resistant dark bostonite dykes cutting
across
granite |
 |
Dykes intruding Richtersveld granite, between Sjambok rapids and Seven
Pillars |
 |
Ridges of mafic Gannakouriep dykes cutting Richtersveld granite, between
Sjambok and Seven Pillars |
 |
Approaching Seven Pillars, a mountain built of quartzite within the
Orange
River Group |
 |
Seven Pillars mountain of quartzite looms over the alluvial diamond mine |
 |
Thunderstorm rain mixes with desert sun to produce a rare double rainbow
over Seven Pillars |
 |
View upstream of the diamond-bearing gravel terraces at Seven Pillars |
 |
View downstream from Seven Pillars towards the Rosyntjieberg |
 |
Folded quartzites and dark metavolcanics of the Rosyntjieberg loom over
the Orange |
 |
Isoclinally folded quartzites of the Rosyntjieberg Formation |
 |
Gorgons Head, deep in the Rosyntjieberg mountains |
 |
Klipneus, with dark metavolcanics of the Orange River Group overlain
by
thin quartzites |
 |
Grasdrif, horizontal Karoo strata capped by cliffs of brown Karoo dolerite |
 |
Grasdrif, monoclinal fold in Nama and Karoo strata |
 |
Steeply dipping Nama and Karoo strata in the Gamkab monocline |
 |
View upstream of the Orange canyon between Gamkab and Grootpenseiland |
 |
Grootpenseiland, formed by a split in the channel of the Orange |
 |
Granites and syenites in the south wall of the Orange canyon at Gootpenseiland |
 |
Rocky pavement of Vioolsdrif granite floor the rapids at Grootpenseiland |
|
|
