KURNIAWAN, HANANTO DWI (2019) ESTIMASI SUMBERDAYA TANAH URUG MENGGUNAKAN METODE KONTUR DI IUP TANAH URUG NGADIMIN, DESA HARGOMULYO, KECAMATAN KOKAP, KABUPATEN KULON PROGO, DIY. Other thesis, Universitas Pembangunan Nasional Veteran Yogyakarta.
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Abstract
IUP Ngadimin merupakan salah satu tambang tanah urug di wilayah
Kabupaten Kulon Progo, Provinsi Daerah Istimewa Yogyakarta. Penelitian ini
dilakukan untuk memberikan estimasi kuantitas sumberdaya tanah urug di Desa
Hargomulyo, Kecamatan Kokap, Kabupaten Kulon Progo, dengan luas daerah
penelitian 5,2 Ha.
Berdasarkan keadaan topografi, geologi, dan genesa pada daerah penelitian
maka estimasi sumberdaya dan cadangan di lokasi penelitian dilakukan dengan
menggunakan metode Kontur dengan pedoman Rule of Gradual Change. Dasar
lain pertimbangan penggunaan metode tersebut karena endapan tanah urug di
daerah penelitian mempunyai homogenitas yang tinggi, mudah dilaksanakan,
cepat dan hasil penaksiran cukup akurat.
Perhitungan estimasi sumberdaya tanah urug dengan menggunakan metode
Kontur dimulai dari kontur elevasi tertinggi yaitu 42 mdpl sampai kontur elevasi
terendah yaitu 75 mdpl. Penelitian juga menghitung tingkat akurasi estimasi
berdasarkan beberapa interval kontur yaitu interval kontur 1 m, 2 m, 5m, dan Tiap
Bukit.
Hasil perhitungan menggunakan metode Kontur dengan pedoman Rule of
Gradual Changes diperoleh volume tanah urug sebesar 652.084,3 m3 pada metode
perbidang volume interval kontur 1 m, 704.086,6 m3 pada metode perbidang
volume interval kontur 2 m, 760.064,2 m3 pada metode perbidang volume interval
kontur 5 m, dan 643.151,6 m3 pada metode perbidang volume interval kontur tiap
bukit. Metode perbidang volume interval kontur tiap bukit dijadikan sebagai
acuan sebagai keakuratan estimasi sumberdaya.
Hasil penelitian interval kontur yang paling akurat adalah metode perbidang
volume interval tiap bukit pada keadaan topografi di lokasi penelitian ini setelah
itu diikuti metode perbidang volume interval 1 m dengan tingkat akurasi 98,61 %,
lalu metode perbidang volume interval kontur 2 m dengan tingkat akurasi 90,53
%, dan metode perbidang volume interval kontur 5 m dengan tingkat akurasi
81,82 %. Sumberdaya tanah urug di daerah penelitian ini masuk dalam kategori
sumberdaya mineral tereka (Inferred Mineral Resource), karena kualitas dan
kuantitasnya diperoleh sudah pada tahap eksplorasi umum.
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ABSTRACT
Ngadimin IUP is one of the landfill mines in the Kulon Progo Regency,
Yogyakarta Special Province. This research was conducted to provide an estimate
of the quantity of land of urug resources in Hargomulyo Village, Kokap District,
Kulon Progo Regency, with a research area of 5.2 Ha.
Based on the topography, geology, and genesis conditions in the study area,
the estimation of resources and reserves at the study site was carried out using the
Contour method with the guidelines for Rule of Gradual Change. Another basic
consideration is the use of this method because the land of urug deposits in the
study area have high homogeneity, are easy to implement, fast and the estimation
results are quite accurate.
Calculation of estimated land of urug resources using the contour method
starts from the highest contour elevation, which is 42 masl to the lowest elevation
contour which is 75 masl. The study also calculated the estimated level of
accuracy based on several contour intervals, namely 1 m, 2 m, 5m and Each Hill
contour intervals.
The calculation results using the Contour method with the Rule of Gradual
Changes guideline obtained urug soil volume of 652,084.3 m3 in the field method
volume of 1 m contour interval, 704,086.6 m3 in the field method of 2 m contour
interval volume, 760,064.2 m3 in volume field method 5 m contour interval, and
643,151.6 m3 in the field method of contour interval volume for each hill. The
method of crossing the contour interval volume of each hill is used as a reference
as the accuracy of resource estimates.
The most accurate results of contour interval research are the method of
per-hill volume intervals in topographic conditions at the location of this study
after that followed by the method of volume field intervals of 1 m with an
accuracy rate of 98.61%, then the field method of 2 m contour interval volume
with an accuracy level of 90 , 53%, and the field method of volume 5 m contour
intervals with an accuracy rate of 81.82%. Land of urug resources in this
research area are included in the category of Inferred Mineral Resources,
because the quality and quantity are obtained at the general exploration stage.
| Item Type: | Thesis (Other) |
|---|---|
| Subjek: | T Technology > T Technology (General) |
| Divisions: | x. Eprints Lama > 4 |
| Depositing User: | Sarimin Sarimin |
| Date Deposited: | 11 Jan 2019 07:48 |
| Last Modified: | 11 Jan 2019 07:48 |
| URI: | http://eprints.upnyk.ac.id/id/eprint/17832 |
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