-
Holocene geology of central Africa
N° Outcrop: B000101. A typical profile showing from the bottom to the top: * The altered basement (Paleoproterozoic paragneisses); * The Stone Line; * The Cover... -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view of the Stone Line. Note the presence of jasper fragments in the upper left part of the photograph. -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view showing a well-rounded quartz pebble (upper centre). -
Holocene geology of central Africa
N° Outcrop: B000101. Same comment as preceding. Four samples have been collected in the Cover Horizon on this outcrop (plastic bags). -
Holocene geology of central Africa
N° Outcrop: B000101. Detailed view showing jasper fragments. Note the angular to more or less rounded shape of the quartz fragments. -
Holocene geology of central Africa
N° Outcrop: B000101. View of the Stone Line showing jasper fragments and well-rounded quartz pebble at all levels of the profile. -
Holocene geology of central Africa
N° Outcrop: B000102. General view of the point where the Stone Line becomes thick and stratified. -
Holocene geology of central Africa
N° Outcrop: B000102. View of the thick and stratified Stone Line with a very large rounded block of quartz toward its base. -
Holocene geology of central Africa
N° Outcrop: B000102. Walking toward the top of the Stone Line. On the right, a gentle slope leads to the top of a low hill ~ 40 m above the Ogooué river. -
Holocene geology of central Africa
N° Outcrop: B000102. View of quartz blocks of all sizes (Stone Line surface) covering the hill to the north side of the road, about 40 m above the Ogooué river. -
Holocene geology of central Africa
N° Outcrop: B000102. View of the landscape to the south of the BOO0102 outcrop showing unforested mountains of the Lopé - Okanda massif . In our back, the Ogooué... -
Holocene geology of central Africa
N° Outcrop: B000102. General view of the outcrop showing the superposition of Stone Line and Cover Horizon. Toward the West, the arrow indicates the zone where the... -
Holocene geology of central Africa
N° Outcrop: B000102. View of the thick and stratified Stone Line. -
Holocene geology of central Africa
N° Outcrop: B000102. Detailed view showing quartz pebble-rich layers in the Stone Line, including the large rounded block of quartz toward its base. -
Holocene geology of central Africa
N° Outcrop: B000102. View of quartz blocks (Stone Line surface) covering the hill to the north side of the road. The blocks pass downward to the stratified Stone Line... -
Holocene geology of central Africa
N° Outcrop: CR45-Otumbi. View of the spectacular Stone Line along the road to the southern piedmont of the Otumbi mountain. -
Holocene geology of central Africa
N° Outcrop: CR45-Otumbi. View of the Otumbi Stone Line with the Cover Horizon above it. -
Holocene geology of central Africa
N° Outcrop: CR44-Otumbi. The Otumbi Mountain viewed from the West. The road and adjacent Ogooué river run along the southern piedmont of the mountain, on the right... -
Holocene geology of central Africa
N° Outcrop: Elarmekora-Otumbi. View of the lower slopes forming the southern piedmont of the Otumbi mountain. Note the presence of innumerable blocks covering the... -
Holocene geology of central Africa
N° Outcrop: CR45-Otumbi. View of the cover of blocks on the lower slopes of the southerm piedmont of the Otumbi mountain.
