Class information for:
Level 1: VOLGIAN STAGE//VOLGIAN//WEST SIBERIA

Basic class information
Class id #P Avg. number of
references		 Database coverage
of references
23742 336 41.5 14%


Bar chart of Publication_year

Last years might be incomplete

Hierarchy of classes
The table includes all classes above and classes immediately below the current class.


Cluster id Level Cluster label #P
13 4 ZOOLOGY//MARINE & FRESHWATER BIOLOGY//FISHERIES 1013533
232 3       PALEONTOLOGY//JOURNAL OF PALEONTOLOGY//GEOLOGY 48747
933 2             AMMONITES//PALEONTOLOGY//CRETACEOUS RESEARCH 11019
23742 1                   VOLGIAN STAGE//VOLGIAN//WEST SIBERIA 336

Terms with highest relevance score


rank Term termType Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 VOLGIAN STAGE authKW 826166 3% 91% 10
2 VOLGIAN authKW 688754 4% 63% 12
3 WEST SIBERIA authKW 498674 9% 18% 30
4 PETR GAS GEOL address 455144 7% 21% 24
5 BOREAL BERRIASIAN authKW 363514 1% 100% 4
6 RYAZANIAN STAGE authKW 363514 1% 100% 4
7 BOREAL TETHYAN CORRELATION authKW 363510 2% 67% 6
8 AMMONITES authKW 358119 15% 8% 52
9 LOWER CALLOVIAN authKW 324563 1% 71% 5
10 ZONAL SCALES authKW 324563 1% 71% 5

Web of Science journal categories


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 Paleontology 31969 42% 0% 140
2 Geology 14355 29% 0% 97
3 Geosciences, Multidisciplinary 5530 47% 0% 158
4 Engineering, Petroleum 173 2% 0% 8
5 Geography, Physical 70 3% 0% 9
6 Multidisciplinary Sciences 69 3% 0% 9
7 Oceanography 12 2% 0% 6
8 Energy & Fuels 10 3% 0% 9
9 Literary Reviews 9 0% 0% 1
10 Cultural Studies 5 0% 0% 1

Address terms


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 PETR GAS GEOL 455144 7% 21% 24
2 AA TROFIMUK PETR GEOL GEOPHYS 155311 6% 9% 20
3 TROFIMUK PETR GEOL GEOPHYS 109401 5% 7% 17
4 KOSYGIN TECTON GEOPHYS 99046 3% 10% 11
5 AA TROFIMUK PETR GEOL 90878 0% 100% 1
6 CENT GEOL IND MAT 90878 0% 100% 1
7 COAL PROSPECTING TEAM 108 90878 0% 100% 1
8 GEOL DIAMOND NOBEL MET 90878 0% 100% 1
9 HARBIN DESIGNING 90878 0% 100% 1
10 YAKUTSK SCI 51928 1% 29% 2

Journals


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class
1 STRATIGRAPHY AND GEOLOGICAL CORRELATION 201922 13% 5% 45
2 GEOLOGIYA I GEOFIZIKA 120763 11% 3% 38
3 RUSSIAN JOURNAL OF PACIFIC GEOLOGY 52001 4% 4% 15
4 RUSSIAN GEOLOGY AND GEOPHYSICS 46036 8% 2% 26
5 PALEONTOLOGICAL JOURNAL 25742 6% 1% 20
6 CRETACEOUS RESEARCH 24235 7% 1% 23
7 NEWSLETTERS ON STRATIGRAPHY 14417 2% 2% 8
8 PALEONTOLOGICHESKII ZHURNAL 6225 2% 1% 8
9 JOURNAL OF PETROLEUM GEOLOGY 5532 2% 1% 7
10 ACTA GEOLOGICA SINICA 5074 1% 2% 3

Author Key Words


Rank Term Chi square Shr. of publ. in
class containing
term		 Class's shr. of
term's tot. occurrences		 #P with
term in
class		 LCSH search Wikipedia search
1 VOLGIAN STAGE 826166 3% 91% 10 Search VOLGIAN+STAGE Search VOLGIAN+STAGE
2 VOLGIAN 688754 4% 63% 12 Search VOLGIAN Search VOLGIAN
3 WEST SIBERIA 498674 9% 18% 30 Search WEST+SIBERIA Search WEST+SIBERIA
4 BOREAL BERRIASIAN 363514 1% 100% 4 Search BOREAL+BERRIASIAN Search BOREAL+BERRIASIAN
5 RYAZANIAN STAGE 363514 1% 100% 4 Search RYAZANIAN+STAGE Search RYAZANIAN+STAGE
6 BOREAL TETHYAN CORRELATION 363510 2% 67% 6 Search BOREAL+TETHYAN+CORRELATION Search BOREAL+TETHYAN+CORRELATION
7 AMMONITES 358119 15% 8% 52 Search AMMONITES Search AMMONITES
8 LOWER CALLOVIAN 324563 1% 71% 5 Search LOWER+CALLOVIAN Search LOWER+CALLOVIAN
9 ZONAL SCALES 324563 1% 71% 5 Search ZONAL+SCALES Search ZONAL+SCALES
10 RUSSIAN PLATFORM 319949 4% 27% 13 Search RUSSIAN+PLATFORM Search RUSSIAN+PLATFORM

Core articles
The table includes core articles in the class. The following variables is taken into account for the relevance score of an article in a cluster c:
(1) Number of references referring to publications in the class.
(2) Share of total number of active references referring to publications in the class.
(3) Age of the article. New articles get higher score than old articles.
(4) Citation rate, normalized to year.


Rank Reference # ref.
in cl.		 Shr. of ref. in
cl.		 Citations
1 SHA, JG , HIRANO, H , (2012) A REVISED BARREMIAN-APTIAN AGE FOR THE MITARAI FORMATION (LOWER TETORI GROUP, MAKITO AREA OF CENTRAL JAPAN), PREVIOUSLY CONSIDERED MIDDLE JURASSIC-EARLIEST CRETACEOUS.EPISODES. VOL. 35. ISSUE 3. P. 431 -437 13 93% 2
2 PESTCHEVITSKAYA, EB , (2007) DINOCYST BIOSTRATIGRAPHY OF THE LOWER CRETACEOUS IN NORTH SIBERIA.STRATIGRAPHY AND GEOLOGICAL CORRELATION. VOL. 15. ISSUE 6. P. 577-609 12 100% 2
3 MITTA, V , GLINSKIKH, L , KOSTYLEVA, V , DZYUBA, O , SHURYGIN, B , NIKITENKO, B , (2015) BIOSTRATIGRAPHY AND SEDIMENTARY SETTINGS OF THE BAJOCIAN-BATHONIAN BEDS OF THE IZHMA RIVER BASIN (EUROPEAN NORTH OF RUSSIA).NEUES JAHRBUCH FUR GEOLOGIE UND PALAONTOLOGIE-ABHANDLUNGEN. VOL. 277. ISSUE 3. P. 307 -335 11 85% 0
4 SHA, JG , WANG, JP , KIRILLOVA, G , PAN, YH , CAI, HW , WANG, YQ , YAO, XG , PENG, B , (2009) UPPER JURASSIC AND LOWER CRETACEOUS OF SANJIANG-MIDDLE AMUR BASIN: NON-MARINE AND MARINE CORRELATION.SCIENCE IN CHINA SERIES D-EARTH SCIENCES. VOL. 52. ISSUE 12. P. 1873 -1889 13 76% 7
5 ROGOV, M , ZAKHAROV, V , (2009) AMMONITE- AND BIVALVE-BASED BIOSTRATIGRAPHY AND PANBOREAL CORRELATION OF THE VOLGIAN STAGE.SCIENCE IN CHINA SERIES D-EARTH SCIENCES. VOL. 52. ISSUE 12. P. 1890-1909 13 72% 18
6 SHA, J , HIRANO, H , YAO, XG , PAN, YH , (2008) LATE MESOZOIC TRANSGRESSIONS OF EASTERN HEILONGJIANG AND THEIR SIGNIFICANCE IN TECTONICS, AND COAL AND OIL ACCUMULATION IN NORTHEAST CHINA.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY. VOL. 263. ISSUE 3-4. P. 119 -130 12 80% 16
7 SHA, JG , (2007) CRETACEOUS STRATIGRAPHY OF NORTHEAST CHINA: NON-MARINE AND MARINE CORRELATION.CRETACEOUS RESEARCH. VOL. 28. ISSUE 2. P. 146 -170 17 52% 63
8 NIKITENKO, BL , SHURYGIN, BN , KNYAZEV, VG , MELEDINA, SV , DZYUBA, OS , LEBEDEVA, NK , PESHCHEVITSKAYA, EB , GLINSKIKH, LA , GORYACHEVA, AA , KHAFAEVA, SN , (2013) JURASSIC AND CRETACEOUS STRATIGRAPHY OF THE ANABAR AREA (ARCTIC SIBERIA, LAPTEV SEA COAST) AND THE BOREAL ZONAL STANDARD.RUSSIAN GEOLOGY AND GEOPHYSICS. VOL. 54. ISSUE 8. P. 808-837 11 69% 6
9 NIKITENKO, BL , KNYAZEV, G , LEBEDEVA, NK , PESHCHEVITSKAYA, EB , KUTYGIN, RV , (2011) PROBLEMS OF OXFORDIAN AND KIMMERIDGIAN STRATIGRAPHY IN NORTHERN CENTRAL SIBERIA (NORDVIK PENINSULA SECTION).RUSSIAN GEOLOGY AND GEOPHYSICS. VOL. 52. ISSUE 9. P. 963 -978 8 100% 2
10 LEVCHUK, LK , NIKITENKO, BL , MELEDINA, SV , (2015) CALLOVIAN AND UPPER JURASSIC FORAMINIFERAL AND AMMONITE BIOSTRATIGRAPHY OF THE SHAIM PETROLEUM REGION (WEST SIBERIA).RUSSIAN GEOLOGY AND GEOPHYSICS. VOL. 56. ISSUE 6. P. 932 -946 7 100% 0

Classes with closest relation at Level 1


Rank Class id link
1 2339 OXFORDIAN//AMMONITES//JURASSIC
2 34675 ORTHOZONE//DINOCYSTS//WEST SIBERIAN PLATE
3 816 CRETACEOUS RESEARCH//AMMONITES//APTIAN
4 20320 WEST SIBERIAN GEOSYNECLISE//GEOLOGIYA I GEOFIZIKA//PETROLEUM POTENTIAL
5 21205 RADIOLARIANS//RADIOLARIA//NASSELLARIA
6 16893 DINOSAUR TRACKS MUSEUM//DINOSAUR TRACKS//DINOSAUR TRACKERS GRP
7 23034 PTEROSAURIA//PTEROSAUR//PTERODACTYLOIDEA
8 33830 PRIMORYE REGION//E GEOL//GEODYNAMIC PERIODS
9 34758 VACUUM TOWER BOTTOMS//GALACTIC YEAR//MONTE CARLO IMITATION
10 26681 ALKUN FORMATION//CAUCASIAN REGIONAL STAGE//BIOCHRONOLOGIC UNIT

Go to start page