A. H. Ahmed

发表

Spinel-free dunites as a proxy to komatiitic melt activity in the mantle

S. Arai, Khadidja Abbou-Kebir, A. H. Ahmed, 2015 .

Characterization of the thermally metamorphosed mantle–crust transition zone of the Neoproterozoic ophiolite at Gebel Mudarjaj, south Eastern Desert, Egypt

S. Arai, A. H. Ahmed, M. Gharib, 2012 .

Origin of magnetite veins in serpentinite from the Late Proterozoic Bou-Azzer ophiolite, Anti-Atlas, Morocco: An implication for mobility of iron during serpentinization

S. Arai, H. Gahlan, A. H. Ahmed, 2006 .

Mineral Resources in Egypt (I): Metallic Ores

B. Zoheir, A. Surour, Yasser Abd El‐Rahman, 2019, The Geology of Egypt.

Origin of spinel-free dunite veins from northern Oman ophiolite: Possible involvement of a komatiitic melt

G. Ceuleneer, S. Arai, Khadidja Abbou-Kebir, 2011 .

Evolution of a Neoproterozoic island arc in the northern Arabian-Nubian Shield: Volcanic rocks and their plutonic equivalents in the Hamash area, south Eastern Desert, Egypt

P. Asimow, Ayman E. Maurice, A. H. Ahmed, 2021, Precambrian Research.

Fatima suture: A new amalgamation zone in the western Arabian Shield, Saudi Arabia

A. El-Fakharani, E. K. El-Sawy, A. Abd‐Allah, 2014 .

Porphyry Cu mineralization in the eastern desert of Egypt: inference from geochemistry, alteration zones, and ore mineralogy

A. H. Ahmed, M. Gharib, 2016, Arabian Journal of Geosciences.

Podiform chromitite classification revisited: A comparison of discordant and concordant chromitite pods from Wadi Hilti, northern Oman ophiolite

M. Miura, T. Mizukami, S. Arai, 2012 .

Neoproterozoic and Cretaceous mantle oxidation states: Controls and heterogeneity through time

I. Pitcairn, Ayman E. Maurice, M. Azer, 2020 .

Mineral chemistry as a tool for understanding the petrogenesis of Cryogenian (arc-related)–Ediacaran (post-collisional) gabbros in the western Arabian Shield of Saudi Arabia

H. Harbi, A. Surour, A. H. Ahmed, 2017, International Journal of Earth Sciences.

Geological and geochemical evaluation of phosphorite deposits in northwestern Saudi Arabia as a possible source of trace and rare-earth elements

K. Ali, A. H. Ahmed, A. A. Aseri, 2022, Ore Geology Reviews.

Compositional variations and tectonic settings of podiform chromitites and associated ultramafic rocks of the Neoproterozoic ophiolite at Wadi Al Hwanet, northwestern Saudi Arabia

H. Harbi, A. H. Ahmed, A. Habtoor, 2012 .

Nature of the lithospheric mantle beneath the Arabian Shield and genesis of Al-spinel micropods: Evidence from the mantle xenoliths of Harrat Kishb, Western Saudi Arabia

M. R. Moufti, Y. Dawood, K. Ali, 2016 .

Heterogeneously depleted Precambrian lithosphere deduced from mantle peridotites and associated chromitite deposits of Al'Ays ophiolite, Northwestern Arabian Shield, Saudi Arabia

A. H. Ahmed, A. Habtoor, 2015 .

Petrogenesis of the Alaskan-type mafic-ultramafic complex in the Makkah quadrangle, western Arabian Shield, Saudi Arabia

H. Harbi, A. H. Ahmed, A. Habtoor, 2016 .

Mineralogy, geochemistry and origin of Mn in the high-Mn iron ores, Bahariya Oasis, Egypt

H. Baioumy, M. Khedr, A. H. Ahmed, 2013 .

Environmental impact assessment inside and around Mahd Adh Dhahab gold mine, Saudi Arabia

H. Baioumy, A. S. Al-Hobaib, A. H. Ahmed, 2012, Arabian Journal of Geosciences.

Spinel-free and spinel-poor dunite veins crosscutting the Wadi Rajmi ophiolite chromitite (northern Oman ophiolite)

G. Ceuleneer, S. Arai, Khadidja Abbou-Kebir, 2013 .

Yukonite-like alteration products (Ca–Fe arsenate and As-rich Fe-oxyhydroxide) formed by in situ weathering in granodiorite, Bi'r Tawilah gold prospect, Saudi Arabia

H. Harbi, A. Surour, A. H. Ahmed, 2013 .

Formation of corundum and associated mineral zones in the hybrid ultramafic-pegmatite association of the Neoproterozoic Hafafit core complex, South-Eastern Desert, Egypt

A. H. Ahmed, M. Gharib, 2018 .

Provenance and metamorphic PT conditions of Cryogenian–Ediacaran metasediments from the Kid metamorphic complex, Sinai, NE Arabian–Nubian Shield: Insights from detrital zircon geochemistry and mineral chemistry

K. Ali, A. H. Ahmed, M. El-Bialy, 2015 .

Magmatic unmixing in spinel from late Precambrian concentrically-zoned mafic-ultramafic intrusions, Eastern Desert, Egypt

S. Arai, A. H. Ahmed, H. Helmy, 2008 .

Heavy metals concentrations and usability of groundwater at Mahd Adh Dhahab gold mine, Saudi Arabia

H. Baioumy, A. H. Ahmed, A. S. Al-Hobaib, 2013, Arabian Journal of Geosciences.

A. Surour, A. H. Ahmed, A. A. Surour, 2016 .

Chemical homogeneity of high-Cr chromitites as indicator for widespread invasion of boninitic melt in mantle peridotite of Bir Tuluha ophiolite, Northern Arabian Shield, Saudi Arabia

H. Harbi, S. Arai, N. Akizawa, 2017 .

Secular Change of Chromite Concentration Processes From the Archean to the Phanerozoic

S. Arai, A. H. Ahmed, 2018 .

Hydrothermal alterations of the Bou Azzer East Co-Ni-As-Au deposits (central Anti-Atlas, Morocco)

M. Aissa, A. H. Ahmed, Abdelaziz El basbas, 2021, Geosciences Journal.

The Bi’r Tawilah deposit, central western Saudi Arabia: Supergene enrichment of a Pan-African epithermal gold mineralization

H. Harbi, A. Surour, A. H. Ahmed, 2014 .

Distribution and Mobility of Platinum‐Group Elements in the Late Cretaceous Ni‐Laterite in the Northern Oman Mountains

S. Al-Khirbash, A. H. Ahmed, 2021, Journal of Geophysical Research: Solid Earth.

Platinum-group elements distribution and spinel composition in podiform chromitites and associated rocks from the upper mantle section of the Neoproterozoic Bou Azzer ophiolite, Anti-Atlas, Morocco

S. Arai, A. H. Ahmed, M. Ikenne, 2009 .

Diversity of platinum-group minerals in podiform chromitites of the late Proterozoic ophiolite, Eastern Desert, Egypt: Genetic implications

M. Economou-Eliopoulos, A. H. Ahmed, 2007 .

Highly depleted harzburgite–dunite–chromitite complexes from the Neoproterozoic ophiolite, south Eastern Desert, Egypt: A possible recycled upper mantle lithosphere

A. H. Ahmed, 2013 .

Mineralogy and Paragenesis of the Co-Ni Arsenide Ores of Bou Azzer, Anti-Atlas, Morocco

Shoji Arai, Ahmed H. Ahmed, S. Arai, 2009 .

Spinel composition as a petrogenetic indicator of the mantle section in the Neoproterozoic Bou Azzer ophiolite, Anti-Atlas, Morocco

S. Arai, A. H. Ahmed, Yaser M. Abdel-Aziz, 2005 .

Petrogenesis and PGE distribution in the Al- and Cr-rich chromitites of the Qalander ophiolite, northeastern Iraq: Implications for the tectonic environment of the Iraqi Zagros Suture Zone

S. Arai, A. H. Ahmed, Y. Kettanah, 2014 .

Late Neoproterozoic volcanics and associated granitoids at Wadi Ranga, south Eastern Desert, Egypt: A transition from subduction related to intra-arc magmatism

A. H. Ahmed, M. Gharib, 2012 .

Chromitite and peridotite from Rayat, northeastern Iraq, as fragments of a Tethyan ophiolite

S. Arai, A. H. Ahmed, Y. Shimizu, 2009 .

Nature and evolution of the Precambrian lithosphere beneath the Arabian Shield of Saudi Arabia deduced from a suite of xenoliths from the Harrat Hutaymah Cenozoic volcanic field

M. Ren, K. Ali, A. H. Ahmed, 2019, Lithos.

A mixed hydrogenous and hydrothermal origin of the Bahariya iron ores, Egypt: Evidences from the trace and rare earth element geochemistry

H. Baioumy, M. Khedr, A. H. Ahmed, 2014 .

Spectral Characteristics of Listvenites and Serpentineites Along Ophiolite-Decorated Megashears (Suture Zones) in the Arabian Shield Using ASD Fieldspec and Satellite Data

H. Harbi, A. H. Ahmed, A. Madani, 2021, The Geology of the Arabian-Nubian Shield.

Distribution and Mobility of Platinum-Group Elements in the Late Cretaceous Ni-laterite in the Northern Oman Mountains

S. Al-Khirbash, A. H. Ahmed, 2021 .

Orthopyroxene-magnetite symplectites in gabbro of Gabal Taftafan, western Arabian Shield, Saudi Arabia

I. Al-Akhaly, A. H. Ahmed, A. Habtoor, 2022, Arabian Journal of Geosciences.

Paleozoic alkaline volcanism: geochemistry and petrogenesis of Um Khors and Um Shaghir trachytes of the central Eastern Desert, Egypt

A. H. Ahmed, M. Gharib, M. Obeid, 2010, Arabian Journal of Geosciences.

Geochemistry and Genesis of Base Metal-Rich Mn–Fe Mineralization in Volcaniclastic Sediments, Asfar Thwelil Area, Saudi Arabia

A. H. Ahmed, A. Al-Saleh, M. A. Al-Ateeq, 2013, Arabian Journal for Science and Engineering.

Influence of sowing dates on yield and its components in some early maturing bread wheat genotypes

A. H. Ahmed, 2021 .

The Umm Matierah gold prospect: Mineralogical and geochemical characteristics of a potential low-sulfidation epithermal gold deposits, southeastern Arabian Shield, Saudi Arabia

A. H. Ahmed, Rami A. M. Bakhsh, 2023, Journal of Asian Earth Sciences: X.