Seizmostratigrafske jedinice pliocenskih naslaga u jadranskom podmorju južno od Visa

master's thesis

• Title: Seizmostratigrafske jedinice pliocenskih naslaga u jadranskom podmorju južno od Visa : diplomski rad
• Title (english): Pliocene seismostratigraphic units in the Adriatic offshore, south of the Vis island : master’s thesis
• Author: Dario Arandia-Krešić
• Mentor: Bruno Saftić (mentor)
• Committee member: Bruno Saftić (predsjednik povjerenstva)
• Committee member: Bruno Tomljenović (član povjerenstva)
• Committee member: Marko Cvetković (član povjerenstva)
• Granter: University of Zagreb; Faculty of Mining, Geology and Petroleum Engineering; (Department of Geology and Geological Engineering); Zagreb
• Defense date and country: 2018-04-20, Croatia
• Scientific / art field, discipline and subdiscipline: NATURAL SCIENCES; Geology; Geology and Paleontology

Abstract

Na temelju seizmičkih i bušotinskih podataka na području jadranskog podmorja južno od Visa, korištenjem programskog paketa Petrel, definirane su strukturne karte krovine miocenskog i krovine pliocenskog slijeda naslaga u vremenskom mjerilu. Seizmostratigrafskom interpretacijom između ovih strukturnih površina proučeni su stratigrafski odnosi stijena pliocenske starosti u kojima je izdvojeno pet sekvencijskih granica tipa 1 (nazvane granice a, b, c, d, i e) kojima su definirane podinske i krovinske granice četiriju seizmostratigrafskih jedinica – A, B, C i D. Izrađene su strukturne karte po navedenim stratigrafskim granicama u vremenskom mjerilu kao i karte debljina izdvojenih jedinica u vremenskom mjerilu. S obzirom na dobivene rezultate potvrđuje se da nakon taloženja sekvencije A tijekom donjeg-srednjeg pliocena dolazi do regionalne promjene taložnih uvjeta u gornjem pliocenu, i to postupno od taloženja na vanjskom šelfu do taloženja na srednjem i unutarnjem šelfu. Ova promjena se reflektira u progradaciji gornjopliocenskih sedimenata koji čine sekvencije B, C i D, sa sjevernog ruba kartiranog područja prema jug-jugozapadu.

Abstract (english)

Based on seismic and well data of Adriatic offshore area south of Vis island, tops of the Miocene and Pliocene age rocks were mapped using PetrelTM software package. Seismostratigraphic interpretation of Pliocene rock interval is based primarily on the five type 1 sequence stratigraphic boundaries named – a, b, c, d and e. The first four of these boundaries represent the base surfaces of four new seismostratigraphic sequences named A, B, C and D, while e is the top of sequence D and equals the top of Pliocene sediments. The reconstruction of the of these units is based on time-depth maps. The thickness of sequences was mapped in two-way time scale, as well as their boundary surfaces. As a result of this study it was concluded that after the sedimentation of sequence A in outer shelf environment during the Lower-Middle Pliocene, a shallowing event occurs at the beginning of Upper Pliocene. As indicated by B, C and D sequences, sedimentation is characterized by gradual progradation of the middle and inner shelf sediments from the northern edge of the mapped area towards the south-southwest.

• Keywords: srednji dio jadranskog podmorja; sekvencijska stratigrafija; seizmička stratigrafija; pliocen
• Keywords (english): middle Adriatic offshore; sequence stratigraphy; seismic stratigraphy; Pliocene
• Language: croatian
• URN:NBN: urn:nbn:hr:169:796180
• Study programme: Title: Geology; specializations in: Geology of mineral resources and geophysical explorations; Course: Geology of mineral resources and geophysical explorations; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra geologije (magistar/magistra geologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Open access
• Created on: 2018-06-15 13:06:09