?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMODELAN+SEDERHANA+SISTEM+PANASBUMI%0D%0ABERDASARKAN+DATA+GAYABERAT+DAN+RESISTIVITAS%0D%0A%0D%0ADAERAH+DANAU+RANAU&rft.creator=Retno+%2C+Aulia&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Daerah+Danau+Ranau+terletak+di+daerah+prospek+panasbumi+yang+berada+pada%0D%0Awilayah+Kabupaten+Lampung+Barat+Provinsi+Lampung+dan+Kabupaten+Ogan%0D%0AKomiring+Ulu+Selatan+Provinsi+Sumatera+Selatan.+Daerah+dengan+luas+16x17m2%0D%0Aini+ditemukan+beberapa+mata+air+panas+disekitar+gunung+aktif+Seminung+yang%0D%0Aberasosiasi+dengan+patahan+Sumatra+sebagai+jalur+reservoir.+Penelitian+ini%0D%0Abertujuan+untuk+mengidentifikasi+lokasi+prospek+reservoir+dengan%0D%0Amengkorelasikan+model+inversi+3D+variasi+densitas+dan+resistivitas+terhadap%0D%0Astruktur+bawah+permukaan+menggunakan+analisis+derivative%2C+serta+memperbarui%0D%0Amodel+konseptual+sistem+panasbumi+Danau+Ranau.+Dihasilkan+nilai+anomali%0D%0ABouguer+lengkap+berasal+dari+data+GGMPlus+berkisar+antara+22+mGal+sampai+60%0D%0AmGal+kemudian+hasil+analisis+derivative+menunjukan+batas+nilai+anomali+negatif%0D%0Ake+positif+dengan+kontur+SVD+bernilai+0+mGal%2Fm2%0D%0A%0D%0A.+Korelasi+model+inversi+3D%0D%0Avariasi+densitas+menggunakan+anomali+residual+terhadap+variasi+resistivitas%0D%0Amenghasilkan+kesesuaian+kedalaman+caprock+mulai+dari+ketinggian+250+meter%0D%0Ahingga+kedalaman+1500+meter+dan+ditemukan+sangat+dangkal+dibawah+manifestasi%0D%0Aberada+pada+formasi+Satuan+Aliran+Lava+Seminung+2+(QLS-2)+dan+Satuan+Aliran%0D%0ALava+Seminung+3+(QLS-3)+yang+merupakan+batuan+lava+andesitik.+Heat+Source%0D%0Akemungkinan+berasal+dari+magma+Gunung+Ranau+Purba+arah+barat+daya+Gunung%0D%0ASeminung.+Prospek+reservoir+panasbumi+Danau+Ranau+kemungkinan+terletak+di%0D%0Adaerah+sekitar+manifestasi+panasbumi+dengan+kedalaman+sekitar+100+meter+sampai%0D%0A2000+meter%2C+daerah+sekitar+puncak+Gunung+Seminung+dengan+kedalaman+sekitar%0D%0A500+meter+dan+di+sebelah+Selatan+Gunung+Seminung+berada+pada+kedalaman%0D%0Asekitar+750+meter+berupa+batuan+pasir%2C+yang+diendapkan+secara+tidak+selaras%0D%0Adengan+satuan+aliran+vulkanik+tua.%0D%0A%0D%0AKata+Kunci%3A+Panasbumi%2C+gayaberat%2C+resistivitas%2C+Danau+Ranau.%0D%0AThe+Ranau+Lake+area+is+located+in+a+geothermal+prospect+area+located+in+West%0D%0ALampung+Regency%2C+Lampung+Province+and+South+Ogan+Komiring+Ulu+Regency%2C%0D%0ASouth+Sumatra+Province.+This+area+with+an+area+of+16x17m2+has+several+hot%0D%0Asprings+around+the+active+Seminung+volcano+which+is+associated+with+the%0D%0ASumatran+fault+as+a+reservoir+path.+This+study+aims+to+identify+the+location+of%0D%0Areservoir+prospects+by+correlating+3D+inversion+models+of+density+and+resistivity%0D%0Avariations+to+subsurface+structures+using+derivative+analysis%2C+and+updating+the%0D%0Aconceptual+model+of+the+Ranau+Lake+geothermal+system.+The+complete+Bouguer%0D%0Aanomaly+value+is+produced+from+GGMPlus+data+ranging+from+22+mGal+to+60%0D%0AmGal%2C+then+the+results+of+the+derivative+analysis+show+the+limits+of+negative+to%0D%0Apositive+anomaly+values+with+an+SVD+contour+of+0+mGal%2Fm2%0D%0A%0D%0A.+Correlation+3D%0D%0Ainversion+model+of+density+variation+using+residual+anomaly+to+resistivity+variation%0D%0Aresulted+in+caprock+depth+suitability+ranging+from+250+meters+to+1500+meters+and%0D%0Afound+very+shallow+below+the+manifestation+in+the+Seminung+Lava+Flow+Unit+2%0D%0A(QLS-2)+and+Seminung+Lava+Flow+Unit+3+(QLS-3)+formations+which+are+andesitic%0D%0Alava+rocks.+The+Heat+Source+probably+comes+from+the+magma+of+Mount+Ranau%0D%0APurba+southwest+of+Mount+Seminung.+The+prospect+of+the+Lake+Ranau+geothermal%0D%0Areservoir+is+likely+located+in+the+area+around+the+geothermal+manifestation+with+a%0D%0Adepth+of+about+100+meters+to+2000+meters%2C+the+area+around+the+peak+of+Mount%0D%0ASeminung+with+a+depth+of+about+500+meters+and+to+the+south+of+Mount+Seminung%0D%0Aat+a+depth+of+about+750+meters+in+the+form+of+sandstone%2C+which+is+deposited%0D%0Aunconformably+with+the+old+volcanic+flow+unit.%0D%0A%0D%0AKeywords%3A+Geothermal%2C+gravity%2C+resistivity%2C+Ranau+Lake.&rft.publisher=FAKULTAS+TEKNIK&rft.date=2024-08-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81461%2F1%2Fopen%255B1%255D&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81461%2F2%2Fopen%255B1%255D&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F81461%2F3%2Fopen%255B1%255D&rft.identifier=++Retno+%2C+Aulia++(2024)+PEMODELAN+SEDERHANA+SISTEM+PANASBUMI+BERDASARKAN+DATA+GAYABERAT+DAN+RESISTIVITAS+DAERAH+DANAU+RANAU.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F81461%2F