?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=IDENTIFIKASI.STUKTUR+BAWAH+PERMUKAAN+DAN+SUB-%0D%0ACEKUNGAN+DAERAH+TAMINABUAN+PROVINSI+PAPUA+BARAT%0D%0A%0D%0AMENGGUNAKAN+METODE+GAYABERAT&rft.creator=Lopia+%2C+Santri%09&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Taminabuan+merupakan+daerah+pertemuan+antara+lempeng+yaitu+lempeng%0D%0AAustralia+dan+lempeng+Pasifik.+Akibat+dari+tumbukan+dari+kedua+lempeng+ini%0D%0Amenghasilkan+tatanan+tektonik+yang+kompleks+di+daerah+Taminabuan+seperti%0D%0Apatahan+dan+sub-cekungan.+Salah+satu+metode+yang+dapat+digunakan+untuk%0D%0Amengidentifikasi+patahan+dan+sub-cekungan+adalah+metode+gayaberat.+Metode%0D%0Agayaberat+didasarkan+pada+anomali+gayaberat+yang+muncul+karena+adanya+variasi%0D%0Arapat+massa+batuan+bawah+permukaan.+Oleh+karena+itu%2C+dilakukan+penelitian+untuk%0D%0Amengetahui+struktur+geologi+bawah+permukaan+dan+sub-cekungan+daerah%0D%0Apenelitian.+Data+yang+digunakan+pada+penelitian+ini+sebanyak+117928+data%2C%0D%0Akemudian+dilakukan+koreksi-koreksi.+Adapun+hasil+hasil+dari+anomali+Bouguer%0D%0Alengkap+yaitu+bernilai+35%2C8+mGal+sampai+70%2C1+mGal.+Pemisahan+dilakukan+dengan%0D%0Aanalisis+spektrum+menggunakan+6+lintasan+dan+filter+moving+avarage%2C+sehingga%0D%0Adidapatkan+anomali+regional+dan+residual.+Berdasarkan+peta+anomali+residual%0D%0Aterdapat+9+sub-cekungan+pada+daerah+penelitian.+Untuk+mengidentifikasi+patahan%0D%0Adigunakan+analisis+derivatif+sebanyak+2+lintasan.+Lintasan+1+terdapat+1+patahan%0D%0Aterkonfirmasi+peta+geologi%2C+lintasan+2+dan+lintasan+3+terdapat+7+patahan%0D%0Aterkonfirmasi+peta+geologi.+Berdasarkan+hasil+forward+modelling+lintasan+1%2C+2+dan%0D%0A3+terdiri+atas+3+lapisan+dengan+batuan+penyusun+berupa+batugamping%2C+batupasir%2C+dan%0D%0Abasement.+Hasil+inverse+modelling+didapatkan+densitas+rendah+dan+tinggi+di+daerah%0D%0Apenelitian+dengan+nilai+1%2C27+gr%2Fcc+hingga+2%2C98+gr%2Fcc.%0D%0AKata+Kunci%3A+Taminabuan%2C+Sub-cekungan%2C+Sesar%2C+Analisis+derivative%2C+Forward%0D%0A%0D%0AModelling%2C+Inverse+Modelling.%0D%0A%0D%0ATaminabuan+is+an+area+where+the+Australian+plate+and+the+Pacific+plate+meet.+As+a%0D%0Aresult+of+the+collision+of+these+two+plates%2C+it+produces+a+complex+tectonic+order+in%0D%0Athe+Taminabuan+region+such+as+faults+and+sub-basins.+One+method+that+can+be+used%0D%0Ato+identify+faults+and+sub-basins+is+the+gravity+method.+The+gravity+method+is+based%0D%0Aon+gravity+anomalies+that+arise+due+to+variations+in+subsurface+rock+mass+density.%0D%0ATherefore%2C+research+was+conducted+to+determine+the+subsurface+geological+structure%0D%0Aand+sub-basin+of+the+study+area.+The+data+used+in+this+study+were+117928+data%2C+then%0D%0Acorrections+were+made.+The+results+of+the+complete+Bouguer+anomaly+are+worth%0D%0A35.8+mGal+to+70.1+mGal.+Separation+is+done+by+spectrum+analysis+using+6+passes%0D%0Aand+moving+avarage+filters%2C+so+that+regional+and+residual+anomalies+are+obtained.%0D%0ABased+on+the+residual+anomaly+map%2C+there+are+9+sub-basins+in+the+study+area.+To%0D%0Aidentify+faults%2C+derivative+analysis+is+used+for+2+passes.+Track+1+has+1+confirmed%0D%0Afault+on+the+geological+map%2C+track+2+and+track+3+have+7+confirmed+faults+on+the%0D%0Ageological+map.+Based+on+the+results+of+forward+modeling+of+track+1%2C+2+and+3+consist%0D%0Aof+3+layers+with+constituent+rocks+in+the+form+of+limestone%2C+sandstone%2C+and+basement.%0D%0AThe+inverse+modeling+results+obtained+low+and+high+densities+in+the+study+area+with%0D%0Avalues+of+1.27+gr%2Fcc+to+2.98+gr%2Fcc.%0D%0AKeywords%3A+Taminabuan%2C+Sub-basin%2C+Fault%2C+Analysis+Derivative%2C+Forward%0D%0A%0D%0AModelling%2C+Inverse+Modelling.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-03-15&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85717%2F1%2F2015051037_Lopia%2520Santri_Abstrak%2520-%2520Mutiara%2520Aprillia%2520Ayu%2520%25281%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85717%2F2%2F2015051037_Lopia%2520Santri_Skripsi%2520Tanpa%2520Lampiran_compressed%2520-%2520Mutiara%2520Aprillia%2520Ayu%2520%25281%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F85717%2F3%2F2015051037_Lopia%2520Santri_Tanpa%2520pembahasan%2520-%2520Mutiara%2520Aprillia%2520Ayu%2520%25281%2529.pdf&rft.identifier=++Lopia+%2C+Santri+++(2024)+IDENTIFIKASI.STUKTUR+BAWAH+PERMUKAAN+DAN+SUB-+CEKUNGAN+DAERAH+TAMINABUAN+PROVINSI+PAPUA+BARAT+MENGGUNAKAN+METODE+GAYABERAT.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F85717%2F