Many andesites erupted at arc volcanoes are the products of magma mixing, and this process could be important in triggering their eruption. Throughout life Ngauruhoe volcano (?2.5 ka), lack macroscopic enclaves or lithological features mingled magma. However, intricate microscopic mixing mingling occur. Plagioclase phenocrysts have a wide range textures. Their diverse 87Sr/86Sr values (0.7039–0...

ABSTRACT This study was carried out with the objective of evaluating water relations, photosynthetic pigments and growth passion fruit cv. BRS Rubi do Cerrado, as a function cationic nature irrigation exogenous application hydrogen peroxide. The experiment under greenhouse conditions in Pombal – PB, Brazil. experimental design randomized blocks, 6 × 4 factorial scheme, corresponding to six - CN...

Abstract New mineralogical, geochemical, and geochronological data are presented for the Island Dam prospect, Olympic Cu-Au Province, South Australia. Skarn assemblages comprising actinolite/phlogopite + K-feldspar magnetite suggest presence of calcareous protoliths at indicate high-temperature alkali-calcic alteration in early stages IOCG mineralization, as seen other deposits region. Dating l...

The Vathi porphyry Cu-Au±Mo deposit is located in the Kilkis ore district, northern Greece. Hydrothermally altered and mineralized samples of latite quartz monzonite are enriched with numerous rare critical metals. present study focuses on bulk geochemistry mineral chemistry pyrite, chalcopyrite, magnetite, titanite. Pyrite chalcopyrite most abundant minerals at related to potassic, propylitic,...

the influence of wind erosion on soil productivity was studied applying fan-forced wind in a wind tunnel located in the campo de nijar area in se spain where the main crops are cereals. wind erosion is highly variable depending on the type of soil (aric-haplic calcisols, aric-calcaric cambisols or aric-calcic luvisols, according to iuss working group wrb, 2014) and the time elapsed since the la...

sangan magnetite skarn mine is located 300 km southeast of mashhad, along the eastern part of khaf-drouneh volcanic-plutonic belt. granitoids from three areas within the sangan mine a, c-north and dardvay were studied. within the study area, three intrusive rocks including biotite-hornblende monzonite porphyry, biotite syenite and syenogranite were recognized. based on field cross cutting, abse...

The expected shortage of global phosphate has enforced the search for alternative resources P fertilizers. Therefore, present study focuses on turnover phosphorus (P) hydrochars and pyrochars derived from sewage sludge (SS) in soils during plant growth. We designed a pot experiment which Lolium perenne L. was allowed to grow Calcic Cambisol amended with SS-derived chars. Hydrothermal carbonizat...

The Chocó-Panamá block is the land bridge that connects Central and South America forms trailing edge of Caribbean Large Igneous Province (CLIP). New field observations are combined with new geochemical, isotopic 40Ar/39Ar analyses mafic basement Chocó within Colombia. These integrated U/Pb ages detrital zircons extracted from siliciclastic carbonate rocks unconformably overlie basement. data u...

Penelitian dilakukan guna menganalisis pengaruh kebijakan dividen, hutang, profitabilitas dan kepemilikan manajerial terhadap nilai perusahaan subsektor industri barang konsumsi yang telah terdaftar di Bursa Efek Indonesia tahun 2015-2019. Populasi terdiri dari seluruh 2015 hingga 2019. Sampel penelitian ini yaitu 8 seri waktu 5 sampai Data didapatkan melalui laporan keuangan tahunan (BEI) mema...