DIFERENSIASI MAGMA PDF

Diferensiasi magma adalah proses yang memungkinkan satu magma homogen. menghasilkan bermacam-macam batuan beku yang secara kimiawi berbeda. PETROLOGI. DIFERENSIASI MAGMA. Suprapto. MAGMA DIFFERENTIATION Magmas, and the resulting igneous rocks, show a wide range of compositions. Laboratorium Bahan Galian Sie. Petrologi DIFERENSIASI MAGMA. Diferensiasi magma adalah proses pemisahan magma karena.

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Try out the new WordPress. Generally the ratios of extractable uranium UEx and total uranium U content range between 1 and 3.

Follow Discover great blogs to follow across WordPress. Ciri-ciri geokimia lainnya adalah granitoid Sibolga cenderung berasosiasi dengan lingkungan tektonik late-orogenic hingga anorogenic serta within plate granite WPG.

And because we like to share, we made the fireworks available as a jQuery plugin on GitHub. See you in Thanks for flying with WordPress. Batuan kalk-alkalin biasanya ditemukan di busur diatas zona subduksi biasanya busur vulkanik terutama yang berada diatas lempeng benua.

Ketika magma mafik magma yistalisasi, mereka memiilih mengkristal menjadi mineral silikat yang kaya magnesium dan miskin besi seperti olivin dan piroksenmenyebabkan kandungan besi magma toleitik meningkat ketika pencairan dihilangkan dari kristal-kristal miskin besi.

Your overall score is not known details. Dari Wikipedia bahasa Indonesia, ensiklopedia bebas. Tipe-tipe batuan di kelompok kalk-alkali termasuk tipe-tipe vulkanik magmaa basalandesitdasitriolitdan juga ekuivalen intrusif nya gabrodioritgranodioritdan granit.

The msgma commented on post in was Behind the Firmness of a Father. Their chief minerals include quartz, K-feldspar mostly microclineplagioclase albite, biotite, minor hornblende and accessory minerals monazite, zircon, allanite, fluorite and uraninite. The area around the discontunity is characterized by a very low gravity anomaly closure in the center. Magmw of these geophysical results and new geochemical information on the mzgma and the regional geology leads to a tectonic model that has an implication for other parts of rifted Gondwana land.

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Mineral asesoris disusun oleh zirkon, monasit, alanit, garnet, apatit, florit, dan uraninit. Discover great blogs to follow difrensiasi WordPress. Granitoid Sibolga mengintrusi batuan meta-sedimen berumur Karbon Formasi Kluet.

Kelompok magma adalah kelompok komposisi yang menggambarkan evolusi magma mafikyang tinggi akan magnesium dan besi serta memproduksi basal diferensisai gabrohingga mengalami kristalisasi fraksional menjadi magma felsik yang rendah akan magnesium dan besi serta memproduksi riolit atau granit.

Mineral-mineral utama pembentuk batuan terdiri dari kuarsa, K-felspar ortoklas, mikroklin, plagoiklas albit, biotit, dengan sdeikit hornblende.

The upwellingasthenosphere, on the one hand, induced the local lithosphericmantle to melt partially, forming high-Mg potassic mafic xenoliths and enclaves which exposed in surrounding Aloban area. Granit biotit mencakup fasies yang terluas di daerah penelitian, sedangkan sienit biotit dan meta-volkanik terdapat dibagian tengah dengan arah penyebaran barat-timur.

The maps density variation diferensizsi depth constructed from 3D deconvolution of gravity anomalies and a 2. About the fireworks Each rocket represents a post published on this blog in Pluton granitoid Sibolga terletak berbatasan dengan pantai barat Sumatra Utara. Explore the recommended content to browse the very best of WordPress.

Kelompok magma kalk-alkali

The A-type granitoid of Sibolga,have been proposed for petrogenetic models of aninteraction of mantle-derived magmas and overlying crustal rocks. The biotite granites occupy most of the granitoid complex, whereas biotite syenites and meta-rhyolites are exposed as an east-west trending belt in the central part difrensiasi the pluton. Selain kehadiran mafic enclaves, diferensiasi magma granitoid dengan kontribusi material mantel diperkuat oleh adanya mineralisasi diferdnsiasi molybdenum dan uranium di sungai Rampah, Sitahuis.

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A gravity anomaly map of NorthSumatra has been constructed using gravity stations and 2. Blog Blog faster than ever before by creating a new post from the WordPress. Unfortunately this browser lacks the capability. The rock chemistry indicated by slightly, metaluminous to peraluminous composition. These features, including the presence of uranium-bearing accessory minerals sugest good prospect for uranium mineralization.

Hydrothermal alterations and the presence of albitization as well as the relatively high sodium, silica, Mo 0. Mekanisme lain yang menyebabkan terbentuknya magma kalk-alkalin adalah asimilasi lempeng benuadan pencampuran magma dengan lelehan parsial lempeng benua.

Petro – 03 Textures and Classification

The most commented on post in was Behind the Firmness of a Father These were the 5 most active commenters on this blog: Untuk keterangan lebih lanjut silahkan menghubungi http: Where did they come from? Mekanisme pembentukan yang difeensiasi peneliti adalah akibat pencairan parsial dari material tersubduksi dan peridotit mantel olivin dan piroksin yang terubah oleh air dan lelehan yang berasal dari material subduksi.

The facts of extensive outcrop of mafic dyke swarms and enclaves surrounding Aloban area support also the contribution of granitoid magma mingling with the upper mantel materials.

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