Early Precambrian gneiss terranes and Pan-African island arcs in Yemen: crustal accretion of the eastern Arabian shield: comment

Article Abstract:

It is incorrect to use the term Nabitah suture for the fault zone between the Afif and Ar Rayn terranes in Saudi Arabia. The Nabitah suture has been mapped to about 18 degrees south in the region. Beyond that, the fault changes course and is not present in the formation of plutonic rocks in Tarib batholith. It is not easy to conclude that the fault is a suture because amphibolite-grade metamorphic rocks and lead isotopes are present east of the fault zone. North-striking bedding and north-trending lineations describe rocks on both sides of the fault which show that the rocks deformed in the same way.

Analysis, Saudi Arabia, Geology, Stratigraphic, Stratigraphy, Faults (Geology), Yemen, Island arcs, Gneiss, Precambrian Era, Shields (Geology)

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Rapid strand-plain accretion in the northeastern Nile Delta in the 9th century A.D. and the demise of the port of Pelusium

Article Abstract:

The decline and abandonment of the ancient port of Pelusium, Egypt, was largely due to its severance from the rest of the Nile during the 12th century. At that time, a large accretion of an extensive strand plain resulted from a rapid influx of river sediment. This blockage caused the formation of a new distributary, the Damietta branch. The beginning of he sediment influx was estimated to have started during the 800's.

River sediments, Nile River, Lithofacies

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Overthrusting and seiment accretion along Kilauea's mobile south flank, Hawaii: evidence for volcanic spreading from marine seismic reflection data

Article Abstract:

A submarine landslide known as the Hilina slump has been located off the south side of the Kilauea volcano. The offshore beach of this slump is probably caused by overthrusting and accreted volcaniclastic sediments.

Hawaii, Volcanoes, Landslides, Kilauea

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