在Puente del Zacate中含有酸盐,这是IIIA铁石中的一个IIIA铁石
E J Olsen1, A M Davis, R N Clayton
1Department of the Geophysical Sciences, University of Chicago, Chicago, IL 60637, USA.
概括
在Puente del Zacate石中的酸盐含有,类似于IAB铁的含有,表明小行星核心的形成. 氧同位素将这种含有与其他IIIA和IIIB铁联系起来,可能来自IIIAB小行星地幔.
科学领域:
- * 星球科学 星球科学
- * 宇宙化学 * 宇宙化学
- * * 矿物学 矿物学
背景情况:
- * IIIA和IIIB铁石被认为起源于小行星核心.
- *在铁石中发现的酸盐含量为人们提供了关于它们形成环境的见解.
- *Puente del Zacate石含有显著的酸盐含有多样化的矿物质.
研究的目的:
- *为了描述Puente del Zacate石中酸盐含量的矿物学和氧气同位素组成.
- * 为了将Puente del Zacate的含量与其他铁石群体中发现的含量进行比较,特别是IAB.
- * 确定Puente del Zacate包含在其母小行星中的潜在起源和形成位置.
主要方法:
- * 在Puente del Zacate石中酸盐含量的岩石分析.
- *使用电子显微镜和光谱仪进行矿物学识别.
- * 含有矿物阶段的氧同位素分析.
主要成果:
- * Puente del Zacate的含量包括橄烯,火氧烯,石墨烯,石墨烯,石墨烯,石墨烯,石墨烯,石墨烯,石墨烯,石墨烯和铁金属.
- *矿物质组合与IAB铁石中发现的含有物相似.
- *氧的同位素成分与IIIA和IIIB铁石中的和酸盐含量一致.
结论:
- * Puente del Zacate的酸盐含量与IAB铁石中的含量具有共同的特征.
- * 它的氧同位素特征将它与IIIA和IIIB铁石母体联系起来.
- * 包含可能起源于IIIAB母小行星的下层地幔.
相关概念视频
Inductively Coupled Plasma-Mass Spectrometry (ICP-MS): Interferences
Inductively coupled plasma–mass spectrometry (ICP–MS) is a highly selective and sensitive technique for accurate elemental analysis. Though the analysis of ICP–MS mass spectra is comparatively straightforward, it is affected by spectroscopic and non-spectroscopic interferences. Spectroscopic interferences arise when the plasma contains ionic species with an m/z value the same as the analyte ion. Spectroscopic interference can be categorized as isobaric, polyatomic ions, and refractory oxide ion...
Imperfections in Crystal Structure: Stoichiometric Point Defects
Schottky defects arise when some lattice points in a crystal, such as those in NaCl, remain unoccupied, creating lattice vacancies without disturbing the overall electrical neutrality of the crystal. This defect is common in ionic crystals where the positive and negative ions are similar in size, as seen in sodium chloride and cesium chloride. The presence of Schottky defects enables the crystal to conduct electricity to a small extent through an ionic mechanism. Electric fields cause nearby...
Imperfections in Crystal Structure: Non-Stoichiometric Defects
Non-stoichiometric defects refer to a type of defect in the crystal structure of a compound where the ratio of its constituent elements deviates from the ideal stoichiometric ratio. There are two main types of non-stoichiometric defects: metal excess defects and metal deficiency defects.Metal excess defects occur when there is a slight surplus of metal ions than what is required by the stoichiometric ratio of the compound. For example, heating a sodium chloride crystal in sodium vapor results...
Minerals
Minerals are essential nutrients that the human body needs in small amounts to work properly. They play a vital role in many bodily functions, such as building strong bones and transmitting nerve impulses. Some minerals are needed for hormone production or to maintain a normal heartbeat. Major minerals include calcium, phosphorus, potassium, sulfur, sodium, chlorine, and magnesium, while trace minerals include iron, manganese, copper, iodine, zinc, cobalt, fluoride, and selenium.
Porosity in Cement Paste
The porosity of concrete is a measure of the void spaces within its structure. These spaces impact its strength and durability significantly. When water and cement interact, a chemical reaction called hydration creates a semi-solid paste. This paste includes combined water, making up approximately 23% of the cement's dry mass, and gel water, which fills minuscule voids known as gel pores, accounting for about 28% of the cement gel volume.
The balance of water to cement in the mix is critical—it...
The balance of water to cement in the mix is critical—it...
Cell Inclusions
Prokaryotic cells possess a variety of inclusions that play crucial roles in nutrient storage, metabolic processes, and environmental adaptation. These structures enable bacteria to thrive under fluctuating environmental conditions by storing essential resources and optimizing their metabolic efficiency.Carbon Storage: Poly-β-Hydroxybutyric Acid and Glycogen GranulesBacteria frequently store excess carbon in specialized granules. Poly-β-hydroxybutyric acid (PHB) granules are lipid polymers that...


