(Q30729)
Statements
polymetallic, oxidized, Au-bearing veins injected in Lower Cambrian limestones. This 43-101 Technical Report
red sandstone units and brick red mudstones. Some Cambrian units are represented by a Lower Cambrian
Cambrian units are represented by a Lower Cambrian volcanic complex including lavas, tuffs
assemblage of polygenic conglomerates. The Middle Cambrian consists of schists and deictic volcanic
Precambrian age. The intense folding which affects the Cambrian rocks of the Amizmiz-Azegour-Erdouz area
tight folding, overthrusting and nappes. The Lower Cambrian metamorphosed limestones and volcanic rocks
Bourg, 1957). Exposed rocks in the Azegour area are of Cambrian to Ordovician in age. They comprised of
rocks. These are in contact to the south with middle Cambrian volcanosedimentary rocks. The Cretaceous
Cambrian volcanosedimentary rocks. The Cretaceous and Cambrian assemblages are separated by an ESE-striking
a major structure: the Amizmiz Fault. The Middle Cambrian volcanosedimentary rocks constitute the
the exposed terrane consists of highly folded Lower Cambrian volcanosedimentary rocks characterized
Archeocyatides (a typical fossil characterizing the lower Cambrian). The most conspicuous lithology is a thick
activity. The lithology ends with the presence of Middle Cambrian greywackes. 22 23 Volcanic rock Limestone MineVroallcizaSenedirciZcriotoenceskcAhzis-Jt/3Limestone Sericite
Charlton (2009). The property also exposes Lower Cambrian volcanic formations varying in composition
Frontal Domain which seems to be limited to the Middle Cambrian and the Az Domain restricted to Lower
Cambrian and the Az Domain restricted to Lower Cambrian massive marbleized limestones. The structures
the possible contact between the Lower and Middle Cambrian volcanosedimentary assemblage, is in fact
thick feldspar-quartz porphyry dyke. This Az Lower Cambrian domain is characterized by impressive high
close proximity to mafic sills injected in Lower Cambrian limestone (marbles). The veins appear as
felsic 26 AMK ISL E W S2 S2 0 2m AZ10K Lower Cambrian White Limestone Grey Limestone Calcareous
Maps produced by Mbrak Taleb. 27 28 Lower-Middle Cambrian Limestone 1 4 Felsic volcanic rock Black
information relative to the alteration of the Lower Cambrian volcanosedimentary rocks and mafic sills
(273±2 Ma; Mrini et al., 1992) is intrusive into Lower Cambrian folded volcanic and sedimentary rocks (limestones
Nevada. 33 34 Fault Paleosurface Silicicalstic Rocks (Cambrian) Skarn Mineralization Porphyric Intrusive
Mineralization Porphyric Intrusive (Cretaceous) Limestones (Cambrian) Carbonate Replacement Sulfide 400 C 300
Hill, granodiorite intruded a recumbent synform of Cambrian dolomites and siliciclastic rocks, elevating
Hill, Nevada, USA Amizmiz, Morocco Complexly folded Cambrian limestone and marble host rock √√ Granodiorite
polymetallic, oxidized, Au-bearing veins injected in Lower Cambrian limestone (see Boily, 2010, 2011). 13.1-
AZ74 G2 AZ5 AZ74 o o' p' p PF PF PF Fold Axis Cambrian Schist Marble Calcareous schist Grey
polymetallic, oxidized, Au-bearing veins injected in Lower Cambrian limestones. The study puts forward general
The Hercynian Orogeny involved an Upper Devonian-Carboniferous compression resulting in folding and
hilly terrane constituted of Permo-Triassic and Lower Carboniferous (Visean) sediments. The Permo-Trassic
Atlantic ocean. The Hercynian Orogeny involved an Upper Devonian-Carboniferous compression resulting in
Exposed rocks in the Azegour area are of Cambrian to Ordovician in age. They comprised of a series of
schists and flyschs. The High Plateau zone consists of Permian mesas with a Triassic substrate. We find
rocks Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic basement Cretaceous Rif Jurassic igneous rocks 8W 6W Fes Amizmiz
subsidence during the Jurassic and much of the Lower Cretaceous in the Atlantic passive margin. This
and the Sub-Atlasic zone is dominated by Jurassic-Cretaceous sediments, the former composed of red
alluvium Post-Eocene alluvium Eocene terrane Upper Cretaceous Lower Cretaceous
terrane Upper Cretaceous Lower Cretaceous terrane Lower Cretaceous-Jurassic
Lower Cretaceous terrane Lower Cretaceous-Jurassic terrane Paleozoic (schist, sandstone)
Follows sporadic outcrops (elongated windows) of lower Cretaceous (Barremian-Aptian) sedimentary rocks.
with middle Cambrian volcanosedimentary rocks. The Cretaceous and Cambrian assemblages are separated
Rocks (Cambrian) Skarn Mineralization Porphyric Intrusive (Cretaceous) Limestones (Cambrian) Carbonate Replacement
Morocco. 16 Spain Rif Middle-Atlas Morocco High-Atlas Cenozoic igneous rocks Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic
Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic basement Cretaceous Rif Jurassic igneous rocks 8W 6W Fes Amizmiz Property
Atlantic ocean and was preceded by Triassic-Lower Jurassic rifting which was followed by massive regional
followed by massive regional subsidence during the Jurassic and much of the Lower Cretaceous in the
Haouz plain and the Sub-Atlasic zone is dominated by Jurassic-Cretaceous sediments, the former composed
Cretaceous Lower Cretaceous terrane Lower Cretaceous-Jurassic terrane Paleozoic (schist, sandstone) Paleozoic
Morocco. 16 Spain Rif Middle-Atlas Morocco High-Atlas Cenozoic igneous rocks Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic basement Cretaceous Rif Jurassic
out in the Anti-Atlas and the Moroccan Meseta. The Triassic-Liassic extension was related to the opening
opening of the Atlantic ocean and was preceded by Triassic-Lower Jurassic rifting which was followed
manifested by a hilly terrane constituted of Permo-Triassic and Lower Carboniferous (Visean) sediments.
High Plateau zone consists of Permian mesas with a Triassic substrate. We find massive red sandstone
Morocco. 16 Spain Rif Middle-Atlas Morocco High-Atlas Cenozoic igneous rocks Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic
The late collision of Africa with Europe during the Neogene resulted in the formation of the Rif which
overlain by Mesozoic layers and a thick series of Neogene and Quaternary detritic sediments. 17 The
Morocco. 16 Spain Rif Middle-Atlas Morocco High-Atlas Cenozoic igneous rocks Jurassic Neogene-Quaternary Triassic Eocene Pre-Mesozoic basement Cretaceous Rif Jurassic
Mesozoic layers and a thick series of Neogene and Quaternary detritic sediments. 17 The latter is
Cu, Pb Azegour 31º8’17.5’’N 8º18’45.7’’W Legend Quaternary alluvium Post-Eocene alluvium Eocene
to south, we observe a thick pile of Tertiary to Quaternary sediments with a fan-shaped deposition
2 references
Linkage to this mine was established with a simple name match from imperfect metadata identifying the geographic area of the mining project
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