Primitive Micrometeorites: Opening a Window into the Early Solar System

原始微陨石：打开一扇了解早期太阳系的窗户

• 批准号: ST/G002924/1
• 负责人: Matthew Genge
• 金额: $ 4.5万
• 依托单位: Imperial College London
• 依托单位国家: 英国
• 项目类别: Research Grant
• 财政年份: 2009
• 资助国家: 英国
• 起止时间: 2009 至 无数据
• 项目状态: 已结题
• 来源: https://gtr.ukri.org/projects?ref=ST%2FG002924%2F1
• 关键词: Primitive; Micrometeorites; Opening; Window; into

The goal of this project is to perform the first high-resolution study of the mineralogy and composition of a newly discovered group of extraterrestrial dust particles, known as CU3 micrometeorites, which may be the most primitive asteroidal materials yet identified. Such materials will record the conditions within the solar nebula at 3 AU that, together with studies of Kuiper Belt materials, will provide a snapshot of the mineralogical and chemical variation through the protoplanetary disk around the young Sun. The target micrometeorites (Fig. 1) have already been identified as 'primitive' on the basis of several fundamental criteria (see background) but have, as yet, not been characterised at sufficient resolution to allow comparisons with other asteroidal and Kuiper Belt materials. Support is requested for instrument and staff time to enable a one year pilot study of these potentially very important Solar System materials to address two key STFC strategy questions 'How do planetary systems evolve' and 'How are the chemical elements created'.

该项目的目标是对新发现的一组被称为CU3微陨石的地外尘埃颗粒的矿物学和成分进行首次高分辨率研究，这可能是迄今已查明的最原始的小行星材料。这些材料将记录3 Au的太阳星云内的情况，与柯伊伯带材料的研究一起，将提供年轻太阳周围原行星盘的矿物学和化学变化的快照。目标微陨石（图1）已经被确定为“原始”的基础上的几个基本标准（见背景），但还没有足够的分辨率，以允许与其他小行星和柯伊伯带材料进行比较。需要支持仪器和工作人员的时间，以便对这些可能非常重要的太阳系材料进行为期一年的试点研究，以解决两个关键的STFC战略问题“行星系统如何演变”和“化学元素如何产生”。

项目成果

THE ATMOSPHERIC ENTRY OF I-TYPE SPHERULES

I型小球进入大气

• 发表时间: 2011
• 期刊: METEORITICS & PLANETARY SCIENCE
• 影响因子: 2.2
• 作者: Genge M. J.

ESKOLAITE IN AN ANTARCTIC MICROMETEORITE

南极微陨石中的埃斯科莱特

• 发表时间: 2010
• 期刊: METEORITICS & PLANETARY SCIENCE
• 影响因子: 2.2
• 作者: Genge M. J.

Cosmic spherules from the Ordovician of Argentina

阿根廷奥陶纪宇宙小球

• DOI: 10.1002/gj.2418
• 发表时间: 2012
• 期刊: Geological Journal
• 影响因子: 1.8
• 作者: Voldman G

A PRIMITIVE MICROMETEORITE WITH AFFINITIES TO CV3 CHONDRITE MATRIX

与 CV3 球粒陨石基质有密切关系的原始微陨石

• 发表时间: 2010
• 期刊: METEORITICS & PLANETARY SCIENCE
• 影响因子: 2.2
• 作者: Genge M. J.