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Aseri Stage

ID: 20

General info

Unit nameAseri lade
Unit nameAseri Stage
Belongs toPurtse Subseries
Overlain byLasnamägi Stage
OverliesKunda Stage
Typechronostratigraphy
RankStage
Scoperegional
Statusformal standard
AuthorBekker
Year1922
Original localityAseri est. (E)
Age top (Ma)463.00
Age base (Ma)463.80
AgeDarriwilian
Age referenceCooper & Sadler, 2004
IndexCIa
IndexO2AS

Stratotypes

TypeLocalityDepth (m)ReferenceRemarks
holostratotypeAseri quarryRõõmusoks, 1970
hypostratotypeSirtsisoo 526 borehole79.95..83.65Männil, Ralf & Saadre, 1986hüpostratotüübi püstitaja nimi pole selles teoses selgelt välja toodud

Chemical composition and other properties

Variableminavgmaxstdcount
Al2O3 [%]0.850002.698006.600001.7047315
Allogenic minerals (translucent) [%]3.000003.000003.000000.000001
Ba [ppm]0.009610.010050.010500.000443
BaO0.003000.008660.012000.004023
Barite [%]28.8000028.8000028.800000.000001
Biotite (brown) [%]75.8000075.8000075.800000.000001
Calcite [%, calculated]7.0600074.6165989.8200014.3957044
calcite [%]79.6400079.6400079.640000.000001
CaO [%]26.7800044.3598451.680005.2251763
Cl [%]0.020000.046400.080000.0203110
CO2 [%]24.5000036.4318041.530003.5897150
Counts [grains]2.00000139.33333350.00000151.237853
Cr [ppm]15.0000020.0000025.000005.000004
delta13C [‰]-1.539000.957801.930000.8615225
delta18O [‰]-6.73000-5.61181-4.820000.4861222
Dolomite [%, calculated]1.400007.1968175.0400012.9174444
dolomite [%]2.060002.060002.060000.000001
Dry density [kg/m3]2475.000002579.916662672.0000060.9924212
Fe-hydroxides [%]25.8000025.8000025.800000.000001
Fe2O3 [%]0.080001.465553.540001.043649
Fe2O3T [%]1.260002.583334.540001.411953
Fe2O3total [%]0.550001.852103.620000.9702319
Feldspars [%]3.400003.400003.400000.000001
FeO [%]0.050000.324612.520000.6390013
Garnets [%]100.00000100.00000100.000000.000001
Grain density [kg/m3]2629.000002721.666662748.0000030.4831412
illiit [%]81.0000090.4000095.000004.882625
Insoluble residue [%, calculated]8.0200016.9852330.860004.6424921
Insoluble residue [%, calculated]6.4600019.2834743.950009.6976823
Insoluble residue [%]3.9200012.8391639.500008.5405524
K2O [%]0.340000.984532.210000.5331415
kaoliniit [%]19.0000019.0000019.000000.000001
kloriit [%]5.000007.250009.000001.479014
Leucoxene [%]1.500001.500001.500000.000001
LOI [%]30.8900035.7916639.400003.093256
MgO [%]0.240001.4654716.390002.3843163
MnO [%]0.087000.175930.340000.0767815
Na2O [%]0.040000.090000.140000.0313010
Opaque ore minerals [%]28.8000028.8000028.800000.000001
P-wave velocity [m/sec in dry sample]3674.000004497.777775529.00000549.522179
P-wave velocity [m/sec in wet sample]3782.890004560.577995169.00000469.6587310
P2O5 [%]0.030000.596633.190000.8204615
Porosity [%]1.780005.201669.700002.2552112
Pyrite [%]12.1000012.1000012.100000.000001
Quartz [%]20.8000020.8000020.800000.000001
Rb [ppm]13.7000017.2333321.500003.226283
S [%]0.010000.206611.680000.4601013
SiO2 [%]2.970009.6580022.390005.7186015
Size fraction 0.01-0.002 mm [%]22.7000034.3757142.000007.412067
Size fraction 0.05-0.01 mm [%]2.0000011.5463624.500006.2357511
Size fraction 0.1-0.05 mm [%]0.100003.9339914.700004.7163510
Size fraction 0.25-0.1 mm [%]0.100000.133330.200000.047144
Size fraction 0.5-0.25 mm [%]4
Size fraction <0.002 mm [%]33.1000045.3742855.750007.685287
Size fraction <0.01 mm [%]88.6000093.7500097.900003.656844
Sr [ppm]168.00000200.66666227.0000024.499433
SUM [%]98.7455999.58186100.000000.591333
TiO2 [%]0.040000.132430.360000.0855015
U [ppm]5.1000011.6666618.600005.517443
V [ppm]6.300009.1500012.000002.850004
W [ppm]7.000007.000007.000000.000001
Wet density [kg/m3]2554.000002631.916662690.0000042.2205612
Y [ppm]21.0000053.7000089.0000027.821693
Zn [ppm]15.0000015.0000015.000000.000001

Specimens in collections (approximately): 1841

Samples in collections (approximately): 716

Thickness map (partial data only)

Localitybase, mtop, mthicknessreferencepreferred
Palamuse borehole 272.40 250.05 22.35 Kõrvel 1963 1
Äiamaa borehole 243.13 230.74 12.39 Sarv 0
Alatskivi 422 borehole 265.60 253.50 12.10 Kajak 1974 1
Puhmu 567 borehole 204.40 195.00 9.40 Saadre 0
Abja 92 borehole 473.80 465.30 8.50 Kajak 1969 1
Velise V-97 borehole 226.00 218.40 7.60 Suuroja, Kalle 1991 1
Ruhnu 500 borehole 690.00 682.50 7.50 Põldvere, Anne (koost), 2003 1
Tartu 453 borehole 362.20 355.90 6.30 Põldvere, Anne et al., 1998 1
Priekule 20 borehole 1471.00 1464.90 6.10 Põlma, päevik 19 0
Laeva 13 borehole 294.30 288.50 5.80 Mägi 1977 1
Karula 320 borehole 453.00 447.40 5.60 0
Otepää 2 borehole 497.60 492.00 5.60 Sarv 1
Kaagvere 1 borehole 330.70 325.20 5.50 Männil, Ralf, 1966a 1
Taga-Roostoja 25 borehole 111.10 106.00 5.10 Põldvere 1997 0
Kerguta 565 borehole 181.50 177.30 4.20 Põldvere, Anne (koost), 2006 Põldvere, Anne Estonian Geological Sections Bulletin 7 2006 1
Apraksin Bor 17 borehole, Leningrad Oblast 222.80 219.40 3.40 Mägi 1985 1
Virtsu 360 borehole 265.25 262.15 3.10 Saadre 0
Kolka 54 borehole 730.20 727.20 3.00 Mägi 1
Mehikoorma 421 borehole 348.50 345.50 3.00 Põlma, 1982 Põlma 1982 1
Kingissepa GI borehole 406.70 403.80 2.90 Põlma 0
Eikla 508 borehole 333.00 330.20 2.80 Kala et al., 1967 1
Rapla borehole 182.50 180.10 2.40 Põlma, 1972b Põlma 1972 1
Võhma borehole, Viljandi County 276.60 274.40 2.20 Põlma 0
Ohesaare borehole 507.20 505.50 1.70 Põlma 1
Viki borehole 358.80 357.80 1.00 Põldvere, Anne (koost), 2010 1
Männamaa F-367 borehole 177.80 177.00 0.80 Põldvere, Anne (koost), 2008a 1
Kassari F-371 borehole 164.20 163.50 0.70 Suuroja, Kalle 1988 1
Õunaku F-354 borehole 156.70 156.20 0.50 Suuroja, Kalle Suuroja, K., Koppelmaa, H., Niin, M., Pukkonen, E., Gromov, O., Kivisilla, J. & Klein, V. 1991 1
Sõru 400 borehole 204.80 204.50 0.30 Kala, E., Kajak, K. & Kajak, H. (kompleksne geoloogiline kaardistamine 1:200 000) 1971 1
Kõrgessaare borehole 86.14 85.90 0.24 0
Tareste F-352 borehole 89.20 89.00 0.20 Suuroja, Kalle 1991 1
Kaleste F-356 borehole 105.80 105.60 0.20 Suuroja, Kalle 1991 1