Ogres svītas smilšaino nogulumu sastāvs un veidošanās apstākļi Stiglavas un Gurovas gravu atsegumos

6533b833fe1ef96bd129c64d

RESEARCH PRODUCT

Ogres svītas smilšaino nogulumu sastāvs un veidošanās apstākļi Stiglavas un Gurovas gravu atsegumos

Mikus Daugavvanags

subject

Ģeoloģija granulometriskais sastāvs Ogres svīta makrofosilijas mikrofosilijas smilšakmens

description

Bakalaura darbā tika pētīti devona smilšaino nogulumu sastāvs un to veidošanās apstākļi divos ģeoloģiski ģeomorfoloģiskos veidojumos – atsegumos Stiglavas un Gurovas gravā Latgalē. Izveidoti ģeoloģiskie griezumi, veikta detalizēta granulometriskā analīze, mērīti slāņojuma elementi, kā arī tika ievāktas, preparētas un identificētas fosilijas. Izmantojot sastādītos griezumus, nosakot fosilijas un veicot granulometrisko analīzi, apkopojot literatūras avotus un iepriekšējo pētījumu rezultātus, autoram izdevās noskaidrot šo smilšakmeņu piederību augšējā devona Pamūšu reģionālā stāva Ogres svītai. Gurovas gravas atsegumos ir ļoti daudz fragmentāru mugurkaulnieku fosiliju, bet Stiglovas gravas atsegumos fosilijas sastopamas krietni mazākā skaitā.

year	journal	country	edition	language
2016-01-01

https://dspace.lu.lv/dspace/handle/7/33537

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