Sections Gunung Panti GP Kali Lempungan LP Kali

Sections: • Gunung Panti (GP) • Kali Lempungan (LP) • Kali Ngliron (NL) • Djati Klampok (DK) • Kali Klangkrang (KK) • Nglebur (GL) • Ngampon (NG) NL Figure 1. Location Map of 7 Stratigraphic Sections in Rembang Zone, NE-Java Basin 1

Figure 2. Structural Pattern of NE Java Basin (Bransden and Matteuw, 1992) 2

TR-2 B TR-2 A 1 B Figure 3. Miocene-Pleistocene Stratigraphy of NE Java Basin (Djuhaeni and Nugroho, 2006) 3

B A C Figure 4. The outcrop of Pliocene Sediments in the North East Java Basin: (A) grey marl of Mundu Formation; (B) Coarsening and thickening upwards of Selorejo Formation; (C) Blue Claystones of Tambakromo Member of Lidah Formation. 4

MUNDU FORMATION PLIOCENE SELOREJO REMARKS ABUNDANCE (%) 0 5 10 15 Blue Claystones, slighly calcareous, fissile to blocky Globigerinid Sands, and glauconitic quartz Sandstones on LIDAH LITHOLOGIC SYMBOL nkt FORMATION Monotonous of calcareous shales/marls rich of foraminifera fossils (correlated to the Chalky Limestones of Paciran Formation) Pla AGES Alternating bioclastic/calcarenite limestones, and calcareous shales intercalation (correlated to limestones of Paciran Formation) Alternating quartz-sandstone and bioclastic/calcarenite limestones, and calcareous shales Benthos Late Miocene LEDOK FORMATION Quartz-sandstones and bioclastic/calcarenite limestones and calcareous shales intercalation Figure 5. Lithostratigraphy of Study Area (Kali Klangkrang/KK Section), Rembang Zone, NE Java Basin 5

Abundance (%) LIDAH FORMATION SELOREJO FORMATION NG SB MUNDU FORMATION Gunung Panti (GP) Note : Djati Klampok (DK) MUNDU FORMATION Kali Lempungan (LP) LEDOK FORMATION Planktonic Benthonic PAD 21 SB N 21 GP Kali Klangkrang (KK) NG LP NL DK KK Figure 6. Lithostratigraphic Correlation of Late Miocene to Pliocene Age in the Study Area, Rembang Zone, NE Java Basin 6

FORMATION LITHOLOGIC SYMBOL Blue Claystones, slighly calcareous, fissile to blocky TURI SB 25 m Greenish-blue of tight sandy Claystones (Condences Section/CS) Intercalation of sandy Claystones MUNDU FORMATION N-19 MIDDLE PLIOCENE SELOREJO FORMATION Sandy-Claystones, calcareous, fissile to conchoidal PAD-N 21 Globigerinid Sands, and glauconitic quartz sandstones, large cross-bedding, irregular contact at the base SB-N 21 Monotonous of calcareous shales/marls rich of foraminifera fossils (correlated to the Chalky Limestones of Paciran Formation) TST N-21 TAMBAKROMO MEMBER LIDAH FORMATION MALO LATE PLIOCENE SEQUENCE STRATIGRAPHY REMARKS Highstand System Tracts AGES HST Figure 7. Sequence Stratigraphy of Pliocene Age in Kali Ngliron/NL-Section, Rembang Zone, NE Java Basin 7

Abundance (%) SB N 21 PAD 21 SBN 21 Ngampon (NG) Djati Klampok (DK) MUNDU FORMATION Gunung Panti (GP) Kali Lempungan (LP) Kali Klangkrang (KK) Note : Planktonic Benthonic PAD 21 SB N 21 GP NG LP KK NL DK Figure 8. Sequence Correlation of Section: GP – LP – DK - KK - NG, Study Area, NE Java Basin 8

Figure 9. Analysis of Paleoecology in NL-Section of Study Area, NE Java Basin 9

FORMATION LITHOLOGIC SYMBOL AGES PALEOCLIMATE REMARKS Warm TURI Blue Claystones, slighly calcareous, fissile to blocky MALO MUNDU FORMATION N-19 opic Transition Tropic Warm Sub-tr Highstand System Tracts Greenish-blue of tight sandy Claystones (Condences Section/CS) Cold Sandy-Claystones, calcareous, fissile to conchoidal PAD-N 21 Globigerinid Sands, and glauconitic quartz sandstones, large cross-bedding, irregular contact at the base TST Intercalation of sandy Claystones SELOREJO FORMATION MIDDLE PLIOCENE 25 m TAMBAKROMO MEMBER N-21 LATE PLIOCENE LIDAH FORMATION SB SB-N 21 Monotonous of calcareous shales/marls rich of foraminifera fossils (correlated to the Chalky Limestones of Paciran Formation) HST Warm Figure 10. Paleoclimate of Pliocene Age in NL-Section, Rembang Zone, NE Java Basin 10

Table 1. Quantitative analysis of foraminifera in the Kali Ngliron (NL) section 11

Table 1 (cont). Quantitative analysis of foraminifera in the Kali Ngliron (NL) section (Continued) 12