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Pengantar Ilmu Kebumian - Zainal Abidin. 1. Pengantar Ilmu Kebumian ( Introduction to Earth Sciences) Zainal Abidin SMAN 3 Bandar. Meteorologi dan Klimatologi (Materi OSN dari BMKG) Untuk Bidang Geografi dan Kebumian. kebumian, geografi iwan osn kebumian, pengajar geografi pelatihan olimpiade geografi free soal olimpiade ipa sd dan kunci jawabannya pdf - kumpulan soal.
Views Total views. Actions Shares. Embeds 0 No embeds. No notes for slide. Pengantar Ilmu Kebumian - Zainal Abidin 1. Fell free to contact me! Ilmu Kebumian Ilmu Kebumian memberikan dasar fisik untuk memahami dunia di mana kita hidup dan di mana manusia berusaha untuk mencapai keberlanjutan. Sistem Ilmu Kebumian mencakup kimia, fisika, biologi, matematika dan ilmu-ilmu terapan yang melampaui batas-batas disiplinnya untuk memperlakukan bumi sebagai suatu sistem terpadu. Ilmu Kebumian telah memberi stimulus oleh meningkatnya peran aktivitas manusia dalam perubahan global dan kemampuan pemantauan global bumi dari luar angkasa.
Ilmu Sistem Kebumian berfungsi sebagai kerangka kerja untuk studi terapan misalnya penginderaan jarak jauh indraja , GIS, manajemen bencana, dan lain-lain http: NASA membangun kerangka keilmuan untuk ilmu kebumian yang mengaitkan variabelvariabel berikut secara terpadu, yaitu: Perubahan dan variabilitas iklim, 3. Apakah Ilmu Kebumian itu? Earth science is an all-embracing term for the sciences related to the planet Earth. It is arguably a special case in planetary science, the Earth being the only known life-bearing planet.
There are both reductionist and holistic approaches to Earth sciences. The formal discipline of Earth sciences may include the study of the atmosphere, hydrosphere, oceans and biosphere, as well as the solid earth. Typically, Earth scientists will use tools from physics, chemistry, biology, chronology, and mathematics to build a quantitative understanding of how the Earth system works, and how it evolved to its current state.
The Earth system, like the human body, comprises diverse components that interact in complex ways. We need to understand the Earth's atmosphere, lithosphere, hydrosphere, cryosphere, and biosphere as a single connected system. Our planet is changing on all spatial and temporal scales.
The purpose of NASA's Earth science program is to develop a scientific understanding of Earth's system and its response to natural or human-induced changes, and to improve prediction of climate, weather, and natural hazards. Earth Sciences and the physical environment of the Earth contains four 4 components: The most basic ingredients of the earth geology To the most basic component of life water and oceanography To our atmosphere and weather meteorology And then finally to our solar system and planets astronomy.
What a pretty blue planet! Timeline of The Earth! Map of tectonic plate 74 Source: The "Spheres" of the Earth Hydrosphere: The hydrosphere also includes: Processes, which are important on earth and directly related to water, include: Erosion b. Transportation c. Weathering Air and the protective ozone O3 layer in the stratosphere are contained in the atmosphere.
Dynamic changes occurring between the earth's solid surface and the atmosphere as well as the earth's solid surface and outer space make up our weather changes. Other gases include carbon dioxide, carbon monoxide, methane, ammonia, argon, and neon. It is tilted on a Lithosphere and the solid earth: It is divided into several distinct units or layers: Thus, there is quite a disparity in ocean basins and mountainous regions on earth. We will study the three 3 rock types composing the earth: Igneous - related to molten rock 2.
Sedimentary - layers of eroded particles and sediments 3. The interaction between the three 3 rock types is referred to as the Rock Cycle. This includes plants, animals, humans, and any other living organisms. The earth tends to act as a system. That is, all of the "spheres" interact and work in concert to make our planet livable and able to sustain life forms. The Scientific Method As scientists, the nature of studying our earth must be accomplished in an organized and logical fashion.
A haphazard, "estimated guess" method will not suffice in the scientific community. Thus, all scientists utilize the Scientific Method, which is summarized in six 6 very general steps, specific to the Earth Sciences: Formulation of a question. Collection of pertinent data and performing experiments.
Development of a hypothesis preliminary untested observation - NOT an educated guess 5. Testing of the hypothesis 6. They have acquired detailed 2D-3D seismic data and other geophysical-geological data. Several expensive exploration wells have also now been drilled, mostly in the deep-water area.
This difference indicates that the structure in Sulawesi is very different in the western part of Indonesia, if the oil and gas exploration in this region should understand the structure and tectonics. An example subsurface seismic data in the off short of Makassar Strait with structural lineament recountracted based on structural pattern in the on short around west Palu Koro Satyana et al.
Deposits are normally sited in second or third order structures, most commonly near large-scale often transcrustal compressional structures. Although the controlling structures are commonly ductile to brittle in nature, they are highly variable in type, ranging from: a brittle faults to. Mineralized structures have small syn- and post-mineralization displacements, but the gold deposits commonly have extensive down-plunge continuity hundreds of metres to kilometres.
Extreme pressure fluctuations leading to cyclic fault-valve behavior Sibson et al. Schematic representation of crustal environments of hydrothermal gold deposits in terms of depth of formation and structural geology, compressional left and extensional right structures Groves et al.
Radiocarbon method depends on availability of carbon, based on decay of 14 C, produced by cosmic radiation, to 14 N. Thermoluminescence TL , based on displacement of electrons from parent atoms by alpha, beta, and gamma radiation. Applicable to feldspar and quartz in sediments and carbonate in soils.
Several hours of exposure to sunlight zeros the TL in grains of quartz and feldspar, which are nearly ubiquitous in surficial deposits. Thus, many surficial deposits offset by faulting are potentially datable by TL.
Separation of zircon grains will conducted by hand picking after the crushed samples were panned. The reported age of each sample is the weighted mean of the ages derived from zircon grains for the igneous rocks, and detrital zircon grains for sedimentary and 10 14 metamorphic rocks.
Zircon grains measured in this study occasionally show core-mantle-rim structure, and the mantle parts mostly show oscillatory zoning in CL images especially those from granitic rocks.
And the mantle parts mostly show oscillatory zoning. In the case of detrital zircon, we measured the central part of each grains. Table 3. Annual 2. Radiometric 3. Other Radiologic 4. Complex Processes Soil development Rock and mineral weathering Progressive landform modification Deposition rate Geomorphic position and incision rate Deformation rate 6.
Figure 8. Flowchart showing the stage and method of the research plan 12 16 The first stage will be start from desk studies involve the literature review of previous national and international publications and scientific reports which are relevant to the proposed topic.
The second stage wil be focused in fieldwork along the PKF fault trace, in this stage would be conducted trenching and collecting sample, structural measurement such as measuring faultslip of minor fault fault plane, slickenline direction , geometry of fold, geomorphological features and productions ground check, structural and outcrop descriptions, taking photographs of outcrops or structural objects, sample location will be plotting by GPS.
Field survey will be carried out at some areas surrounding the structural line of the PKF in Central Sulawesi. Administratively this area including in Palu and Sigi Regency. The third stage is mainly determine, collecting and processing data in the laboratories. Collecting of fault lineament and geomorphic data using aerial photography and digital elevation models DEM.
Sample Sample from the field should be pretreatment period to further analysis samples, pretreatment can be divided into two stage i. Physical pretreatment aim to reduce contaminant trough removed root and plant debris by sieving. The radiocarbon ages measured were converted to conventional radiocarbon ages Stuiver and Polach, , and calibrated by IntCal04 calibration curve Reimer et al.
The fourth stage is analysis data, data from fieldwork and laboratory work will be analysis such as paleostress paleostress tensor will performed by multiple inverse method Yamaji, computed by MIM Software version 6. Paleostress stress state and moment tensor will be projected in triangle diagrams by Frohlich to obtain relation between fault and seismicity event. To constrain the age of the latest activity of PKF using radiocarbon thermoluminescence dating and also zircon dating for host rocks.
Stage and history of deformation will be analysis from microstructures and petrographic textures of the rocks. The later stage is to complement analyses of structures and tectonic of PKF zone. Processing the data obtained from some instruments, the interpretation and discussion stage will be done using simple graphics, diagrams and map. The flow chart of research plan within the one year schedule is shown in Figure 8. A new rapid direct inversion method by analytical means, Geophys.
Online Data Set: Jaya, A. Journal of Structural Geology, Jaya, A.
Island Arc Lin, A. Springer, Berlin, p Groves, D. Ore Geology Reviews,. International Journal of Civil and Geological Engineering, vol. Navabpour, P. Paces, B. L, Bard E. IntCal04 terrestrial radiocarbon age calibration, cal kyr BP.
Radiocarbon 46, Saintot, A. Radiocarbon 19, 21 Sibson, R. Tectonics, 34, Tjia, H. London Van Leeuwen, T.
Journal of Structural Geology 22, Yamaji, A. Walpersdorf, A. GPS compared to longterm geologic motion of the north arm of Sulawesi.
Earth Planet. In: Hall, R. Dukungan Sarana dan Prasarana 2. Susunan Organisasi tim peneliti 3. Biodata tim peneliti 4. Surat pernyataan ketua peneliti 19 23 Attachment 1. Sample Cutting Machine MC untuk preparasi sampel 2. Sieving pretreatment untuk semua dating, memisahkan akar tanaman dan komponen contaminant lainnya physic pretreatment , akan dilanjutkan pretrement kimia di Akita University 4.
Sementara itu, sejumlah analisis lainnya akan dilakukan di Faculty of International Resource Science, Akita University antara lain adalah: 1. Thermoluminescence TL dating 3. Pb Zircon dating 20 24 Attachment 2. Analisis dan verifikasi data laboratorium.
Memberikan justifikasi hasil penelitian. Review draft artikel ilmiah. Eng Asri Jaya, ST.
Poros Malino KM. Geologi Struktur S1 3. Prinsip Sratigrafi S1 4. Geologi Minyak dan Gas Bumi S1 5. Geologi Bawah Permukaan S1 6.
Stratigrafi Lanjut S2 7. Geomodel S3 B. Bustahn Azikin, MT, C. Reconstructed by 1.