Orjaku borehole
General info
Name | Orjaku borehole |
Number | I2 |
Type | borehole (section) |
Country | Estonia |
Parish | Käina |
Settlement | Orjaku |
Elevation | 2.00 |
Latitude | 58.80133 |
Longitude | 22.75385 |
Coord. agent | Eesti Geoloogiakeskus (EGK) |
Location remarks | Orjaku küla Kassari poolsaarel |
Strat. top |
Raikküla Stage
|
Strat. base |
Keila Stage
|
Remarks | Puuritud TAGI puurbrigaadi poolt 1956-62 (puurmeister J. Muru). L. Põlma joonise järgi ulatub puurauk Keila lademesse, E. Jürgensoni kirjelduse (1963) järgi lõpeb puurauk Rakvere lademes. Vahemikku 79.35-96 m vaadeldakse kui Kõrgessaare kihistu hüpostratotüüpi |
Date changed | 2021-04-12 |
Reference | Pealkiri | Pages | Remarks |
---|---|---|---|
Truuver & Meidla, 2015a | A Hirnantian deep-water refuge for warm-water ostracods in Baltoscandia | 739 | näidatud kaardil |
Hints, L. et al., 2013 | Morphology, ontogeny and affinities of the Hirnantian triplisiid brachiopod Streptis undifera from Baltoscandia | 2 | |
Kaljo et al., 2004a | Late Ordovician carbon isotope trend in Estonia, its significance in stratigraphy and environmental analysis | 38.5-132.7 m Oandu-Porkuni lade, isotoobid | |
Hints, O., 1998b | Harjuan (Late Ordovician) eunicid polychaetes of Estonia [MSc Thesis. Supervisor: T. Meidla] | ||
Hints, O., 1998c | Late Viruan (Ordovician) polychaete jaws from North Estonia and the St. Petersburg Region | Distribution of scolecodonts | |
Raukas & Teedumäe, 1997 (eds) | Geology and Mineral Resources of Estonia | 78,84 | 43.9-133.5m, Ostrakoodide levik |
Hints, O., 1996a | Jawed Polychaetes in the Upper Viruan of North Estonian Confacies Belt [BSc Thesis. Supervisor: T. Meidla] | ||
Meidla, 1996a | Late Ordovician Ostracodes of Estonia. Fossilia Baltica 2 | 12, 153, 166, 173, 1 | asukoht, ostrakoodide levik, 37-96-135.8 m |
Oraspõld, 1991 | Microlithology of the boundary beds between Vormsi and Pirgu Stages (Upper Ordovician) in Paluküla stone pit in island Hiiumaa | 13-20 | |
Kaljo et al., 1988b | East Baltic Region | 86-87 | F1b-G3 läbilõige |
Nestor, H. et al., 1987 | Upper Ordovician and Llandoverian stratotypes of Estonia | 63-64 | 79.35-96m Vormsi lade |
Nõlvak, 1984 | Distribution of acid-resistant microfossils in the northern East Baltic Ashgillian | 28-31 | 37-99.1 m, F1a-G1-2 |
Kaljo & Rubel, 1982 | Relations of brachiopod communities to facial zones (Silurian, East Baltic) | ||
Nõlvak, 1980a | Chitinozoans in biostratigraphy of the northern East Baltic Ashgillian. A preliminary report | 255 | |
Nõlvak, 1980b | Microplancton from the Ashgillian of northern Baltic | 58-61 | 38.5-99.1 m Porkuni-Vormsi lade |
Oraspõld & Kala, 1980 | Lithology of the Vormsi Stage in Estonia | 62 | 79.3-95.9 m Vormsi lade |
Aaloe, Ago & Nestor, H., 1977 | Biohermal facies in the Juuru Stage (Lower Llandoverian) in North-West Estonia | 74 | 15.8-38.6 Juuru lade |
Männil, Ralf, 1976 | Distribution of graptoloids in the Ordovician carbonate rocks of the East Baltic area | 113-114 | |
Põlma, 1973a | Lithological differences between two structural-facial belts of the East Baltic Ordovician | ||
Jürgenson, 1970a | Ilistye izvestnâki | 40 | 2.0-31.8m |
Kaljo, 1970a (ed) | The Silurian of Estonia | 40, 217, 225 | |
Kaljo, 1970h | Raikküla Stage | 225 | |
Nestor, H., 1970c | Juuru Stage | 208, 217 | Juuru lade |
Põlma, 1970, välipäevik 6 | Välipäevik nr 6: Eesti puuraugud (1966-1970) | 65-69 | 105-141.8 m Rakvere-Keila lade; proovide nimekiri |
Rubel, 1970b | On the distribution of brachiopods in the lowermost Llandovery of Estonia | 74 |
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