MINISTRY OF NATURE PROTECTION OF REPUBLIC OF ARMENIA
A
GEOLOGICALAGENCY
GEOLOGICAL MAP OF
REPUBLIC OF ARMENIA
Scale 1:500 000
AUTHOR ED.KHARZYAN
EDITOR H.SARGSYAN
ON THE COMPLECTION OF THE MAP ALL AVAILABLE LARGE AND ME
EDIUM
SCALE GEOLOGICAL MAPS WERE USED (AUTHORS: K.PAFFENHOL
LTS,
V.AMARYAN,A.VEHUNI, V.HAKOBYAN, H.SARGSYAN,K.MKRTCHYA
AN,
H
H.CHACHATRYAN,
L.MARKOSYAN, V.SAFARYAN, H.GHUJUNJYAN, H.GHA
AZARYAN,
R.KHACHATRYAN, L.MARKOSYAN,) AS WELL AS HYSTORICAL DATA OF A.GABRIELYAN,
E. MILANOVSKI, A.ASLANYAN, K.KARAPETYAN, S.KARA0PETYAN, V..AGHAMALYAN
R.JRASHYAN, J.HOVHANNISYAN, P.YEPREMYAN, S.KARAPETYAN,V..AGHAMALYAN
AND OTHERS
YEREVAN 2005
GEOLOGICAL MAP OF REPUBLIC OF ARMENIA
REGIOSTAGE
SECTION
STAGE
SYSTEM
ERATEMA
Scale 1:500 000
LEGEND
IV
Q
II-IV
Q
III
Q
HOLOCENE
2
p sediment, pebbles, sands
Lacustrine-alluvial, flood eluvial,alluvial slop
)
(
sandsoils, sand loams(30m)
Q
IV
1
2w
(30m)
basalts,andesitebasalts
Volcanic lava flows and lava follds;
Q III-IV
acifluvial, slope and flood
Lacustrine-alluvial, pebbles sands, clays gla
m)
block-pebbles and breccia, formations (180m
, andesits (150m)
andesitebasalts
4
I
Q-Q
LATE
11
6
1
13
I
N
2
N
2
N
2
2
-Q
11
Qi iii
Volcanic lava flows,andesitebasalts,andesites,
andesitedacits ( 400m )
14
B-Q1
Volcanic lava flows,and lava floods. Basalts, andesitebasalts,
andesites,andesitedacits,decites ( 1500m )
Lacystrine sediments of Shirak sagging. The lower part
sands, clays, coguinas,diatomittes (110m)
Q (1)
18
Volcanic lava flows and lava floods; andesittebasalts, andesitebasalts,,decites (till 1500m)
N2 2-Q1
1
KIMMERIAN
EARLY N
23
MEOTISIAN
PONT
N
SARMATIAN
LATE
29
30
TORT-
ONIAN
31
2
20
ds, breccias (400m)
diatomites, clays, sands, slaggy, lapilli sand
oris and Noratus suites; stratiums, tuffbreccias, t4uffconglomerates,
Volcanogenic formations, Go
2
N 2gr
s, tuffs ( till600m )
lavabreccias, volcanic sands
m)
friable sediments of sands, claysands (400m
1
N
2
1
N
2
Upp
per lava subsuite (2) andesitebasalts, andesites, sacites,
km(2)
24
rioda
acites (300)
Spacious covers
km(1)
of volcanic rocks
25
other suites
M-P(2)
3
N 1 M-P(1)
s(2)
quartz cienites(qe). Extrusive subvolcanic intrusions, basalts(b)
schists (till 1000m)
The volcanic detrital rocks. The whitish switte of Yerevan; tuff breccias,
stones basalts with
a
tuffconglomerates, tuffsandstones, avgitic. almond
3
N1
s(1)
separate middle formation (250m)
s, shells, coguinas, limestones
Marine sedimentary formations; sandstones
3
N1 t
(45m)
o Jrvezh and Aemavir suites;
Marine evaporati and molassic sediments of
es, marls, with stone the layer of
clays, alevrolites, sandstones, congiomerate
basalts (2000m)
a
rock salt, gypsum, anhidride and flowrs of avgitic
2
N 1 hl
34
Terrigenous molassic sediments. Hrazdan, Dilijan, Bandivan, suites;
partucoloroured reddish clays, sandstones, alevrites, conglomerates,
with layers of combustible schists and dark coals (550m)
1
2
LATE
P3
Marine sediments Zovashen suite; clays,
p
2
2 (2)
Marine volcanogenic formations. Bazum suitte; andesites,
a breccias tuffbreccias (500m)
a-breccias,
rocks, lava
andesitebasalts their pyroclastic rocks
andesitebasalts,
p
2
2 (1)
-terrigenous formation. Shirak suite; clays, sandstones,
reccias, tuffalevrolires, siliceous
alevrolites, limestones tuffsandstones, tiffbre
deposites, andesite lava flows (150m)
1
P
2
EARLY
3
2
p 3p
38
40
sandstones, marls, alevrolites, reef nummullitic limestones (300m)
P
p 2- N 11
36
3
Intrusive rocks. porphyracrous granites and granodiorites (ry-ryd)
Extusive-subvolcanic intrusions; trachyandesites(ra), trachyriolites(ti)
The lower part (1). Lower part of Yelpin suite; sanidine trachytes,
trachyandesites (most of piroclastic (600m)
p
3
2
Intrusive rrocks. Leucogranites (ly), Leucogranocienites (hye),granodiorites (yd), quarttz diorites (qd),granocienites (ye), nefelin and alkali-sienites (Tezhsar)(ye),
1
3
2
3
2
p
1
2
N 1el(1)
3
dstones, alevrolites, clays, marls,
Marine sediments. Shoraghbyur sulte; sand
reef lime-stones (1000m)
1
3
p
the upper part of yelpin suite; paleotype andesites,
andesitedacites,their lavabreccias,tuffbreccias (800m), Many
coloured ingimbrite tuffs of Metsavan (35m)
35
p
37
Volcanic formations, The upper part (2). Amulsar suite and
1
p 32 N 1el(2)
N
1
1
p 2-N
a
gabbros,gabbrodiorites(v). Extruzive-subvolcanic intrusions. Riolites, riodacites (i,ig), andesitedacites(ag)
Volcanic and volcano-sedimentary formations; andesites, andesitebasalts
41
trachyandesites, their tuffbreccias, lavabreccias, tuffconglomerates, tuff-
p
3
2
Intrusive rocks. Olivine,olivine-magnetite and other gabbross(v),gabrodiorites(vd), granodiorites)yd),
quartz diorites(qd), monzonites(u),alkali and nefelin sienites(ye), plagiogranites(py),leucogranites (ly),
sandstones, with lens like bodys of limestones.
2
quartz sienites (qe). Extruzive subvolcanic intrusions. Trachyriolites(ri),quartz dacites(qg)
45
44
Volcano-sedimentary rocks (non dismembrmemt) sandstones, alevnites,
43
1
1
p
2
K st-m
51
eaus deposites, marks,
Marine sedimentary rocks; limestones, silice
stolites of pre-cambrian rocks.
alevrolites, sandstones; conglomerates, olis
K st-m
K -p
2
K km-m
Intruzive rocks.Intrusions and protrusions inside
Marine sedimentary rocks; limestones, merls (310m)
in cretaceous-eocene sedimentary rocks,gabbros (v),
gabbroanorthosites (vq), peridotites, pyroxenites,
2
53
52
K 2k
2
2
SANTONE-
MAASTRIKHT
1
58
conglomerates (580m)
2
dunites, lertsolites, serpentines (q)
COGNAC K k
Kk
2
2
Marine sedimentary rocks; alevrolites,
sandstones, conglomerates (340m)
Kk
2
2 1
Marine sedimentary rocks; alevrolites, sandstones,
conglomerates, marls,limestones (800m)
Kk
2
k 2k -st
2
1
SENOMANETURON
2
-K s-t
1
with the lens of limestones
cilice ous deposites (400m). Marine sedimentary rocks, sandy clays, alevrolites, marls,
organogenous and sandy limestones (160m)
Marine volcano-sedimentary formations. Basalts, andesitebasalts,their tuffs,
56
1
60
tuffbreccies, limestones with lensy layers of jaspers, radiolarites and other
1
K2
silicites, Marine sedimentary rocks, sandstones,marls,limestones,alevrolites,
conglomerates,tuffbreccias,tuffsandstones ( 2000m )
Extrusive-subvolcanic intrusions.
Dacites (g). rioites, riodacites (i)
65
Marine sedimentary rocks. chakh-chakh suiite; limestones, marls,
asal conglomerates (330m)
sandstones, tuffsandstoness, tuffbreccia, ba
K al
1
66
J -K
Marine-sedimentary formations,Metamorphosed Limestones
with layers of sandstones, alevrolites, tuffsandstones.
68
ones, limestones, marls, alevrolites
Marine volcano-sedimentary rocks. Sandsto
m)
tuffalevrolites, layers of tuffalevrolites (500m
Ka
K a
APTI-
Marine sedimentary rocks.
Conglomerates,sandstones,
s, sandstones, tuffsandstoness,
Marine sedimentary rocks Limestones marls
tuffbreccia, basal conglomerates (300m)
1
2
K al
ALBI-
K s-t
57
Marine volcanic-sedimentary rock. Khosrov suite; andesitebasalts, basalts, olivine
basalts, diabases, their tuffbreccias, tuffconglomerates, reff limestones, radiolarites sublayers
k 2t-k
59
Marine volcano-sedimentary rocks. Tuffbreccias,tuffconglomerates,
lava floods of andesitebasalts, tuff-sandstones, limestones ( 850m )
alevrolites,tuffbreccias,
55
Kk
2
LATE K
1
54
1
K
quartz diorites(qd). Extrusive subvolcanic intrusions; diorite-porphyrites,
Flish sedimentary rocks; limestones, alevrolites, sandstones,
p -p 1
62
1
Volcanic rocks. Basalts, andesites, their autobreccias
K
( 1150m )
1
2
1
63
K br-a
64
1
1
TITONVALANGHIN
J 3tt-K V1
67
OXFORDTITON
J 3o-tt
70
J tt-K v
3
p-karmrakar
Marine volcano-sedimentary rocks. khustup
and Artaman suites; basalts, andesitebasaltts, their piroclastic tuffs,
1
tuff sandstones
69
Marine volcanogenic formations, Miapor suite;
EARLY
J 3O
J O
3
OXFORD
1
J
71
Jo
glomerates, tuffbreccias,
Marine volcano-sedimentary rocks.Tuffcong
ndesitebasalitc lava flows (340m)
tuffsandstones. tuffalevrites. limestones. an
Jk
Marine sedimentary rocks. Conglomerates. gravellites. sandstones. caly
schists. limestones ( 1000m)
3 1
72
2
77
2
J
BAT J
2b4
73
J b-bt
es. Argrillites. alevrolites.
Litoralc marine volcano terrigenous deposite
tuffbreccias ( 1300m )
t
sandstones. layers of cola. andesitedacitic tuffs.
Jb
Marine volcanic rocks. Plagioriolites. andesiites. andesitedacites.
their piroclastics ( 600m )
2
2
2
J 2b2
2b1
2
75
Jb
2
J
LATE
BAYOUSIAN J b
EARLY
MIDDLE J
2
Intrusive rocks, Plagiogranites, Leucokratic granites (py)
74
2
1
Marine volcanic-sedimentary rocks. Andesittes. andesitebasalts.
es. conglomerates (600m)
diabases. spilites. their piroclastics. argillate
Extusive subvolcanic intrusions, Basalts (b)
76
J -J b
1
2 1
Marine sedimentary, volcano-sedimentary rocks. Argillates,
sandy-clay schists, arkose schists, conglomerates, andesites,
1
J
sts. arkose schists ( 230 )
Marine-sedimentary rocks. sandy clay schis
OTHER SIGNS
2
J
EARLY
diabases, their volcano fragmentary formations (800m)
78
Centres of quartenary volcano
3
T
T
es, argillates,clays, layer of
Litoral marine sedimentary rocks.Sandstone
coals schists and coals ( 700m )
3
T
80
T 1-2
EARLY
SSIC-T
TRIAS
LATE
79
The central craters of upper pliocene Aragats ploygenetic volcano
Marine-sedimentary rocks. Limestones,marrls,dolomites,limestones (550m)
Landslides
anogenous limestones, bitum
Marine-sedimentary rocks. Limestones,orga
inoferous limestones ( 350m )
1. major a-real, b-supposed
1-2
Faultes
2
P
2
2. secondary a-real, b-supposed
P
1
82
P
anogenous limestones,clay schists ( 400m )
Marine-sedimentary rocks. Limestones,orga
1
SIGNS ONLY IN THE LEGEND
1
83
C
dstones,quartzites,clayschits ( 550m )
Marine-sedimentary rocks. Limestones,sand
D
rtzites, clayschits (1150m)
Marine sedimentary rock. sandstones, quart
The character of the layers bedding
1
C
EARLY
FEROUS-C
EARLY
PERMIAN - P
CARBONI-
P
Concordant bedding
D
LATE
3
84
IAN-D
DEVON-
PALEOZOIC - Pz
LATE
81
3
Erosiv discordance
Corner discordance
2
PR
PROTEROZOIC
3
PR
LATE
85
PR
3
omplex. philites, chlonite-actinolitez, quartzMetamorphosed rocks;Upper gneischists co
feldspar-sericite and other slates, marbles, metavolcanites (1300m)
Azimuth discordance
Unsertain bedding ( tectonic or nondiscovered,non studied )
86
87
PR
2
Metamorphosed rocks; Lower polymetamorrphic gneiss-chrystallin slates complex,
h lens of marbles and dolomites (115m)
graphitic and other slates, amphibolites with
PR 2
Intrusive rocks. trondhjemites, albitites, gneissose
granites (y). serpentines. habbros. gabbrodiorites (a)
\U+03b2
3
glomerates, tuffbreccias,
Marine volcano-sedimentary rocks.Tuffcong
0m)
andesite lavas, limestones, dolomites (1000
l \U+0423
3
LATE J
JURASSIC -J
M E Z O Z O I C - M Z
J o-tt
Intrusive rocks. Leucocratic granites (ly), tonalites,guartz diorites (qd)
gabbrodiorites (vd). Extrusive subvolcanic rocks, basalts (b), riodacites (ag)
diorite-porphyrites (dr)
marls,
q \U+03b4
m)
Marine sedimentary rocks limestones (300m
K v-br
Marine sedimentary rocks. Thin exfoliating limestones,
alevrolites, sandstones, conglomerates (500m)
\U+03bb\U+03b6
VALANGHIN-
J K
PR
Intrusive rocks. Gabbros, gabbrodiorites (vd), granodiorites(yd),
gabbro-porphyrites(vr), basalts(b)
Terrigen-carbonate deposites. Kotuts suite; limestones, marks,alevrolites,
sandstones, comglomerates (800m)
2
61
EARLY
2
alevrolites, clays (150m)
1
CENE P
PALEO-
CRETACEOUS - K
50
p2
46
Volcanic formations,. Baghatssar suite; andesitebasalts,andesites,their rough
fragmentary piroclastics lavabreccias,tuffbreccias,tuffsandstones ( 1000m )
mestones, limy sandstones,
Marine sediments. Sevan suite; numulitic lim
2
p
limestones, tuffsandstones, tuffbreccias, lava flows of andesitbasaltes,
andesites, andesitedcites (1500m)
P2 1-2bg
48
49
2
2
\U+0434
\U+03b4
EARLY
P2
47
p
Volcanogenic
\U+0423
\U+03b4
EOCENE
MIDDLE
P2
2
P
42
KELOVEIAN
MIDDLE
Intrusive rocks. Granodiorites, quartzdiorites (yd), quartz monsonites(qu)
uite; limestones,
Marine sedimentary formations, Hrazdan su
parate layers of combustible
clays, marbs, argilites, oolitic laimtones, sep
3
N1
39
Bazum - Zangezour intensively folded suture zon
ne: A - Sevan - Amassia
ophiolite zone; B - Hankavan - Zangezour subzo
one; C - Tsakhuniats anticlinorium
PROTEROZOIC
N1
Low
wer whitish subsuite (1) riolites, riolot-pumice-sands,
volc
canic ash breccias (360m)
basalts, andesitebasalts, their tuffs ( 2000m )
COMPUTER DESINGER A.BA
ARSEGHYAN
3
28
Sub
bsuite of the dark tuff-breccias (2) ,with the same conditions of
midd
dle formation lava flows (400m)
33
LATE
Extrusive-subvollcanic instrusions. Riolites,riodacites,perlites
trachyriolites (i),andesites(a),dacites(g),basalts(b)
lacustrine-alluvial, swampy formations. Meghri suite; coal-bearing
sandstones,clays,conglomerates,red quartzite breccias ( 120m )
N1 3-N21mg
1
EARLY
3
1
2
Upp
per whitish subsuite (1), riolites, obsidians, pearlite,their
piroc
clasters (200m)
voghchaberd,
N1
N
K 1V-br
Superpositioned orogenic basin zone
Extrusive-subvolcanic intrusions. Hialodacites
a layers of lacustrine and lacustrine-alluvial
Doleritic and olivine basalts with middle lava
(1)
TIAN
N
HELVE-
MIDDLE
1
2
32
BAREMI
Trans-araksion moderately folded zone
Q
\U+03b6
1
Lime tuffs ( travertines ) (100m )
andesites dacites(ag), riolites,riodacites(iid)
27
GOTTERIV-
Somkhet - Kapan undulated tectonic complex
16
Sediments of warm mineral spring.
Q
Q1
Extrusive-subvolcanic intrusions. Riolites, riodacites,
perlites, obsidians and their fragmentary materials ( 1200m )
suite; tuffsandstones,
S
Lacustrine, Lacustrine-alluvial formations, Sisian
(2)
Tsaghkunyats,
26
1
15
2
1
AKCHAGILIAN
LATE N
2
21
22
M I O C E N E - N
Cover of volcanogenic fragmentary materials.
ignimbrittuffs of yerevan, Ani,Aartik,Bbyurakan types ( 180m )
residues of Elephas trogontherii buried soies, volcanic ash (30m)
Vardenis and
EOGENE P
PALE
Q11
2
2
loess claysoils (130m)
12
The upper part conglomerates, gravellites, sands, with
I-II
ebbles of lower
Alluvial, flood, block-pebbles formations, pe
Nubarashen and Yeghegnadzor terrasses (150m)
Q
2
19
PLIOCENE N
NEOGENE - N
diatomites
8
Lacystrine-alluvial sediments of shirak sagging.
Q (2)
I-II
Q-Q
EOPLESTOCENE
1-11
I-II
Volcanic lava flows,basalts, andesitebasalts,andesites,
andesitedacits ( 35m )
dacites (800m)
o shirak,
Lacutstrine, lacustrine - alluvial sediments of
ebbles, coguinas,
Aparan, Araratian sagging, sands, clays, pe
Q
Qii iii
Volcanic lava flows and lava floods;
basalts, andesitebasalts, andesites, andesitebasalts
Qii
o
Terras block-pebbles formations, pebbles of
upper Nubarashen terras (300m)
II
3
by arshaluis Gabruekuan
with modifications
5
10
17
OLIGOCENE
Scale 1:1500 000
Q
9
C E N O Z O I C - C Z
Geotectonic zonation scheme of tthe Republic of Armenia
s andesitebasalts, andesites (100m)
Volcanic lava flows and lava floods; basalts
7
Q
EARLY
NEOPLESTOCENE
PLESTOCENE
QUARTENARY
III-IV
3
Volcanic lava flows and lava follds;
Qiv
3
Extrusive subvolcanic rocks,
quartz andesitedacites (qag), ridacites (ag)
plagioriolites (pi)