F
Q3-4
Holocene and/or upper Quaternary
T
Triassic undivided
J1
Lower Jurassic
J2+3
Upper and middle Jurassic
K1v
Valanginian
h
Continential deposits
K1g+br
Barremian and Hauterivian
K1a+al
Albian and Aptian
K1b+v
Valancinian and Berriassian
J3
Upper Jurassic
J2
Middle Jurassic
P2
Upper Permian
T1
Lower Triassic
T3
Upper Triassic
Q4
Holocene
Q3
Upper Quaternary
P1
Lower Permian
Gabbro-dolerite, dolerite, gabbro-diabase and picrit diabase
Cm1-2
Middle and/or lower Cambrian
Cm1a
Aldanian
PR2\4
Vendian
Cm2m
Mayskian
Cm3
Upper Cambrian
Cm1
Lower Cambrian
C1
Lower Carboniferous
J
Jurassic undivided
D
Devonian undivided
Gabbro, norite, gabbro-norite, and gabbro-diorite
PZ
Paleozoic
AR
Archean undivided
PR2\2+3
Upper and middle Riphean
PR2
Upper Proterozoic undivided
D3
Upper Devonian
J1p
Pliensbachian
Granite
PR1
Lower Proterozoic undivided
N2
Pliocene
N2-Q1
Lower Quaternary and/or Pliocene
C2
Middle Carboniferous
C1-2
Middle and/or lower Carboniferous
K2+Pg1
Upper Cretaceous (Danian)
J1t
Toarcian
P
Permian undivided
J2a
Aalenian
Cm
Cambrian undivided
Pg
Paleogene undivided
P+T
Triassic and Permian
J2b+bt
Bathonian and Bajocian
S1
Lower Silurian
D2
Middle Devonian
K1
Lower Cretaceous
D3-C1
Lower Carboniferous and/or upper Devonian
K2
Upper Cretaceous
D1+2
Lower and middle Devonian
C2+P
Permian and upper and middle Carboniferous
S2
Upper Silurian
O2-3
Upper and/or middle Ordovician
Pg3
Oligocene
O3
Upper Ordovician
O1-2
Middle and/or lower Ordovician
N2-Q
Quaternary and/or Pliocene
Pg3-N1
Miocene and/or Oligocene
S
Silurian undivided
O2
Middle Ordovician
T1+2
Middle and lower Triassic
O2+3
Upper and middle Ordovician
D1-2
Middle and/or lower Devonian
O
Ordovician undivided
C2+3
Upper and middle Carboniferous
C
Carboniferous undivided
PZ2-T
Triassic and/or upper Paleozoic
D1
Lower Devonian
Pg2
Eocene
J1+2
Middle and lower Jurassic
Pg+N
Neogene and Paleogene
Basic volcanic rock, mainly lava
D2-3
Upper and/or middle Devonian
O1
Lower Ordovician
T2
Middle Triassic
T2+3
Upper and middle Triassic
K1-2
Cenomanian and/or Albian
Cm2
Middle Cambrian
PZ2(D/C/P)
Upper Paleozoic (Permian, Carboniferous and Devonian)
Cm1l
Lenian
Cm2-3
Upper and/or middle Cambrian
PR2\2
Middle Riphean
AR2
Upper Archean
T3k
Carnian
T3n
Norian
PR1\2
Middle part of Lower Proterozoic
Q2-3
Upper and/or middle Quaternary
N
Neogene undivided
Granodiorite
Q
Quaternary undivided
AR1\IV
Kurultin series of the Aldan shield, upper part of elomor series of the Baltic shield, Khapchan series of the nabar shield
Peridotite, dunite, pyroxenite
Diorite and quartz diorite
J3k-km
Kimmerdgian, Oxfordian and/or Callovian
J3t
Tithonian
T3n+r
Rhaetian and Norian
Anortozite, gabbro-anortozite
AR1
Lower Archean
Syenite, monzonite
AR1\I
Iengir series of the Aldan shield, lower part of Belomor series of the Baltic shield and their analogs
Quaternary (Holocene, Pleistocene)
Granosyenite
Acid volcanic rock, mainly lava
AR1\I-II
Fedorov series of the Aldan shield
PR2\1
Lower Riphean
Q1-2
Middle and/or low Quaternary
PZ1(Cm/O/S)
Lower Paleozoic (Silurian, Ordovician and Cambrian)
Alkaline syenite
J1-2
Middle and/or lower Jurassic
AR1\II
Timpton series of the Aldan shield and Daldin series of the Anabar shield
Intermidiate volcanic rock, mainly lava
D2+3
Upper and middle Devonian
Volcanic rock of various composition (undivided), mainly lava
K
Cretaceous undivided
O1+2
Middle and lower Ordovician
S1-2
Upper and/or lower Silurian
PR2\3
Upper Riphean
PR
Proterozoic undivided
O+S
Silurian and Ordovician
J2-3
Upper and/or middle Jurassic
Nepheline and pseudo-leucite syenite, ijolite, urtite, nepheline pyroxenite, ferrucite
AR1\III
Dzeltulin series of the Aldan shield, upper Anabar eries of the Anabar shield
Alkaline granite
K2-Pg
Paleogene and/or upper Cretaceous
Q1
Lower Quaternary
Acid subvolcanic intrusive rock
K2-Pg1
Paleocene and/or upper Cretaceous
Basic subvolcanic intrusive rock
Intermidiate subvolcanic intrusive rock
II
K1br-al
Albian, Aptian and/or Barremian
N1
Miocene
K1b-br
Barremian and/or Berriassian
I
D3+C1
Lower Carboniferous and upper Devonian
K1g-al
Albian, Aptian, Barremian and/or Hauterivian
Basalt and its tuff
Q2
Middle Quaternary
J3-K1
Lower Cretaceous and/or Upper Jurassic
K1a-al
Albian and/or Aptian
Acid volcanic rock, mainly tuff
K2s-t
Turonian and/or Cenomanian
C3
Upper Carboniferous
T1-2
Middle and/or lower Triassic
Alkaline ultrabasic rock,  carbonatite
Pg3+N1
Miocene and Oligocene
K2m+d
Danian and Maastrichtian
K1g
Hauterivian
J3km
Kimmeridgian
C3-P1
Lower Permian and/or upper Carboniferous
C3+P1
Lower Permian and upper Carboniferous
Volcanic rock of various composition (undivided), mainly tuff
Intermidiate volcanic rock, mainly tuff
Pg1
Paleocene
P1-2
Upper and/or lower Permian
K2k-km
Campanian, Santonian and/or Coniacian
K1al
Albian
K1b
Berriassian
J3km-t
Tithonian and/or Kimmeridgian
T3-J1
Lower Jurassic and/or upper Triassic
K2s
Cenomanian
K2st
Santonian
Alkaline subvolcanic intrusive rock
Impactite and explosion breccia
3
K2k-m
Maastrichtian, Campanian and/or Santonian
Pg1+2
Eocene and Paleocene
K2st-km
Campanian and/or Santonian
K2k+st
Santonian and Caniacian
K2km+m
Maastrichtian and Campanian
D-C1
Lower Carboniferous and/or Devonian
Pg1-2
Eocene and/or Paleocene
0
C+P
Permian and Carboniferous
T3+J1
Lower Jurassic and upper Triassic
N1-2
Miocene and/or Pliocene
K2t
Turonian
K2t-st
Santonian, Coniacian and/or Turonian
N1\1-2
Middle and/or lower Miocene
Pg2+3
Eocene and Oligocene
N1\3
Upper Miocene
Kimberlite
Pg2-3
Oligocene and/or Eocene
K2t-k
Coniacian and/or Turonian
K2km
Campanian
S+D
Silurian and Devonian
K2m
Maastrichtian
P2+T
Triassic and Upper Permian
P2+T1
Low Triassic and upper Permian
N1\1
Lower Miocene
N1\2
Middle Miocene
K1a
Aptian
Serpentinite
Rhyolite
Basic volcanic rock, mainly tuff
Pg3\1-2
Middle and/or lower Oligocene
Andesite and its tuff
N2\3
Upper Pliocene
N2\2
Middle Pliocene