BIOSTRATIGRAFI NANNOPLANKTON DAERAH RAJAMANDALA

Authors

  • Unggul Prasetyo Wibowo Museum Geologi, Pusat Survei Geologi
  • Rubiyanto Kapid Program Studi Teknik Geologi, FITB

DOI:

https://doi.org/10.33332/jgsm.geologi.v15i4.57

Abstract

Analisis biostratigrafi nannoplankton dilakukan pada 26 sampel spot sampling yang berasal dari daerah Rajamandala, Padalarang, Kabupaten Bandung, Provinsi Jawa Barat. Hasil data lapangan pada lokasi penelitian di daerah Rajamandala dijumpai adanya 6 satuan batuan dimana berdasarkan analisis biostratigrafi nannoplankton di 6 satuan batuan tersebut didapatkan kisaran umur sebagai berikut: satuan batupasir konglomeratan berumur tidak lebih muda dari Eosen Akhir dapat disebandingkan dengan Formasi Bayah yang berumur Eosen Tengah-Akhir; satuan batulempung berumur Eosen Akhir - Oligosen Akhir dapat disebandingkan dengan Formasi Batuasih yang berumur Oligosen Akhir; satuan napal berumur Oligosen Akhir - Miosen Awal dapat disebandingkan dengan Anggota Napal Formasi Rajamandala yang berumur Oligosen Akhir - Miosen Awal; Satuan batupasir-batulempung berumur Miosen Awal – Miosen Tengah bagian bawah dapat disebandingkan dengan Formasi Citarum yang berumur Miosen Awal; satuan breksi vulkanik berumur Miosen Tengah dapat disebandingkan dengan Formasi Saguling yang berumur Miosen Tengah; sedangkan satuan batuan vulkanik tufaan yang menutupi Formasi Saguling dapat disebandingkan dengan satuan batuan produk vulkanik tufan Kuarter.


Kata kunci: Biostratigrafi, nannoplankton, nannofosil, Rajamandala.

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References

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Published

2014-11-22

Issue

Vol. 15 No. 4 (2014): Jurnal Geologi dan Sumberdaya Mineral

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Article

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