보고서 정보
주관연구기관 |
한국지질자원연구원 Korea Institute of Geoscience and Mineral Resources |
보고서유형 | 최종보고서 |
발행국가 | 대한민국 |
언어 |
한국어
|
발행년월 | 2013-12 |
과제시작연도 |
2013 |
주관부처 |
미래창조과학부 Ministry of Science, ICT and Future Planning |
과제관리전문기관 |
한국지질자원연구원 Korea Institute of Geoscience and Mineral Resources |
등록번호 |
TRKO201400003949 |
과제고유번호 |
1711009431 |
사업명 |
한국지질자원연구원연구운영비지원 |
DB 구축일자 |
2014-05-07
|
키워드 |
행성지질.운석.행성원격탐사.달 토양.동위원소.planetary geology.meteorite.planetary remote sensing.lunar simulant.isotope.
|
DOI |
https://doi.org/10.23000/TRKO201400003949 |
초록
▼
개발결과 요약
최종목표
◦행성광물자원 정밀 지화학 분석용 동위원소 표준물질 및 스파이크 개발
◦행성광물자원 지화학 탐사용 계측기 활용기술 개발
◦국내 달 유사암석(회장암, 현무암)의 분포 및 성인연구
개발내용 및 결과
◦행성광물자원 정밀 지화학 분석용 동위원소 물질 개발
- Sm, Nd 동위원소 표준물질, 149Sm, 150Nd 스파이크 개발 완료
- Sm, Nd 스파이크 농도 calibration 기술 개발 완료
◦행성광물자원 지화학 탐사용
개발결과 요약
최종목표
◦행성광물자원 정밀 지화학 분석용 동위원소 표준물질 및 스파이크 개발
◦행성광물자원 지화학 탐사용 계측기 활용기술 개발
◦국내 달 유사암석(회장암, 현무암)의 분포 및 성인연구
개발내용 및 결과
◦행성광물자원 정밀 지화학 분석용 동위원소 물질 개발
- Sm, Nd 동위원소 표준물질, 149Sm, 150Nd 스파이크 개발 완료
- Sm, Nd 스파이크 농도 calibration 기술 개발 완료
◦행성광물자원 지화학 탐사용 계측기 활용기술 개발
- 행성탐사 감마선분광기 성능검증실험 완료, 백그라운드 특성규명 및 저감방안, 분광기 소형화를 위한 소형 냉각장치 개발을 위한 열해석 실험자료 확보
- 가구야 LRS 데이터를 활용한 달 highland 지역 토양층 두께추정 알고리즘 개발 및 토양층 두께 분포 규명
◦국내 달 유사암석(회장암, 현무암)의 분포 및 성인연구
- 회장암 표준시료 확보 및 암석기재학 및 지화학 특성 분석을 통한 성인 규명
기대효과
◦행성광물자원 확보에 필요한 지질기반의 실내 정밀 지화학 원소분석기술 및 행성원격탐사 지화학 분석기술의 확보로 향후 우리나라 달 탐사 수행 시 달 지질특성 해석 및 달 자원 탐사에 활용이 가능
◦행성광물자원 탐사를 위해 개발된 실내 및 원격지화학 분석기술은 지구환경변화의 정량적 추적에 활용이 가능
적용분야
◦우리나라 우주개발계획 중 행성(달) 탐사관련 R&D 과제
◦방사핵종을 이용한 다양한 지구환경변화 추적관련 R&D 과제
Abstract
▼
Planetary exploration activities can lead scientific and technical advancements providing the answers for deep-seated scientific questions regarding the origin and evolution of the Universe and Solar System, and the secrets of the emergence of life and its destiny. In addition, if we are considering
Planetary exploration activities can lead scientific and technical advancements providing the answers for deep-seated scientific questions regarding the origin and evolution of the Universe and Solar System, and the secrets of the emergence of life and its destiny. In addition, if we are considering the rapid improvements of recent technical developments, it is not difficult to image the practical level of civilizing other planetary bodies beyond Earth by utilizing planetary mineral resources near future. R&D in the field of the geochemical exploration techniques for detecting and evaluating the planetary mineral resources are thus critical to colonize planetary bodies beyond Earth.
The R&D program intended in this project is the development of the geochemical exploration techniques for planetary mineral resources and can be divided into: (1) scientific and technical developments of planetary remote-sensing mainly focusing geochemical investigations of planetary mineral resources; and (2) lab-based, detailed geochemical analysis of planetary materials, which can provide the ground-truth for the acquired planetary remote-sensing data.
Of many instruments available for planetary remote-sensing, XRF and gamma-ray spectroscopes have been used as core instruments for geochemical investigations on the planetary surfaces during many of the previous planetary missions. In this program we are planned to make basic scientific and technical developments of XRF and gamma-ray spectroscopy. With the successful scientific results of the first year investigations on XRF spectroscopy, this year we conduct characterization of the essential modules of gamma-ray spectroscopy and its planetary applications. The research contents include: certification and characterization of the high-purity germanium detector, testifying various methods to reduce background level, including shielding materials, and thermal simulation of micro cooling system for miniaturizing the gamma-ray spectroscopy. This program also include analyzing and interpreting skills for produced planetary remote-sensing data, by using Kaguya LRS remote-sensing data as an example. The contents include development of computer algorism applicable to rough terrane such as lunar highland area and deduce the regolith thickness using a new algorism at the highland area.
Lab-based geochemical analysis of planetary materials can provide the ground-truth for the remotely-obtained planetary data. This program focus on the state-of-the-art development of isotope dilution technique, which is used to quantify elemental abundances in the planetary materials very precisely. The contents consist of making primary standard and spike solutions for Rb-Sr and Sm-Nd isotopic systems. Of course we also develop calibration technique to quantify the concentration of the spike relative to the primary standard, considering isotopic fractionation during isotopic ratio measurements.
Both of lab-based and remotely sensed geochemical analysis of planetary mineral resources are core techniques in our R&D program and it is critical to secure standard materials in order to compare data acquired from both analysis for checking consistency of both methods. In this program it is intended to secure standard samples of anorthosite and basalt, which are two of the dominant rocks of the moon, and to develop technique of making lunar soil simulant. For this we first survey the domestic distributions of anorthosites and basalts and then collect standard samples. On the basis of technical analysis about lunar soil simulants after the recommendations of the first year project evaluation, it is quite improper to develop technique to make lunar soil simulants at this time, because Korean lunar mission is not mature now. This means that object-oriented development of lunar soil simulants is not possible and this subject should be aimed at quite a large scale in man power and budget, which is considered to be beyond the scope of our current programme. For these reasons we intensionally stop developing technique of lunar soil simulants and are instead going to focus basic research on lunar analogue materials like anorthosites and basalts. In this lunar analogue research we are going to study mineralogical, petrological and geochemical investigations on the anorthosites and basalts, which are primary source for future development of lunar soil simulants in next program.
The major results and outputs of our programme this year are summarized as follows: (1) The primary standard solutions of Sm (Johnson Mattery Sm standard with concentration of 499.93 ppm) and Nd (JNd-i Nd standard with concentration of 999.95 ppm) were successfully made and secured and were used to calibrate the concentrations of 149Sm-enriched Sm spike and 150Nd-enriched Nd spike solutions. The concentrations of Sm and Nd spikes were determined to be 36.097 ppm and 30.958 ppm, respectively. We also succeeded to develop program for calculating isotopic ratios considering isotopic interference and fractionation correction in the course of this work; (2) We certified working conditions of high-purity germanium detector (essential module of the gamma-ray spectroscopy), characterized background level of the detector, and devised shield materials to reduce background level. Thermal simulations were also conducted on micro cooler system in order to miniaturize the gamma-ray system; (3) We completed computer algorism to infer the thickness of regolith on the rough planetary surfaces, and succeeded to calculate the regolith thickness in the lunar highland terrane using Kaguya LRS data; (4) For lunar analogue study, we identified domestic anorthosite body and collected several representative samples. We prepared thin section, core section and rock powers for petrogrphic and geochemical analysis, which were used to investigate petrogenetic origin of the anorthosites.
Korean government are planning to invest one and half billion Korean Wons to develop her own launcher for future lunar exploration. This investment will boost R&D activites relevant to lunar science near future. For lunar exploration contributions of geology discipline are never underestimated, so our outputs obtained from this R&D programme will play a critical role in planning and conducting Korean lunar exploration program, and provide us a chance to make a big project related to lunar exploration. In addition, our lab-based and remotely-sensed geochemical analysis techniques are also applicable to solve various environmental issues of Earth system.
This project, originally planned to go three years (2012-2014) were intentionally closed after two-year investigations, because new government announced a new lunar program to go to the moon as late as in 2020. On the basis of successful achievements of the previous and current R&D programs on planetary geology, a new program will start focusing lunar exploration in the next year.
목차 Contents
- 표지 ... 1
- 제 출 문 ... 3
- 연차보고서 요약서 ... 5
- 요 약 문 ... 6
- SUMMARY ... 10
- CONTENTS ... 13
- 목 차 ... 14
- 제 1 장. 연구개발과제의 개요 ... 15
- 제 1 절. 연구개발과제의 개요 ... 15
- 제 2 절. 연구개발과제의 필요성 ... 16
- 제 2 장. 국내외 기술개발 현황 ... 19
- 제 1 절. 특허 조사 ... 19
- 제 2 절. 논문 조사 ... 20
- 제 3 절. 국내 선행연구 및 유사연구 ... 22
- 제 4 절. 선진연구기관 기술수준 분석 및 기술수준 달성 목표 ... 23
- 제 3 장. 연구개발수행 내용 및 결과 ... 25
- 제 1 절. 동위원소 희석법(isotope dilution, ID)을 이용한 Sm, Nd 농도 정량을 위한 표준물질/스파이크 제작 및 스파이크 농도 calibration 연구 ... 25
- 제 2 절. Sm-Nd 동위원소계 측정을 위한 희토류원소 분리법 구축 ... 85
- 제 3 절. 감마선 분광기 지화학 분석 활용기술 개발 ... 99
- 제 4 절. 가구야 LRS 원격탐사자료 활용 연구: Highland영역 표면 Regolith층 두께 역산을 위한 LRS 데이터 보정 수법 ... 139
- 제 5 절. 달 유사암석 연구: 하동-산청 회장암 ... 160
- 제 4 장. 연구개발결과의 활용계획 ... 173
- 제 1 절. 목표달성도 ... 173
- 제 2 절. 관련분야에의 기여도 ... 177
- 제 5 장. 연구개발결과의 활용계획 ... 180
- 끝페이지 ... 182
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