標題: Titlebook: Gold; History and Genesis Robert W. Boyle Book 1987 Van Nostrand Reinhold 1987 economic geology.geology.mining.reef [打印本頁] 作者: Malnutrition 時間: 2025-3-21 17:55
書目名稱Gold影響因子(影響力)
書目名稱Gold影響因子(影響力)學科排名
書目名稱Gold網(wǎng)絡(luò)公開度
書目名稱Gold網(wǎng)絡(luò)公開度學科排名
書目名稱Gold被引頻次
書目名稱Gold被引頻次學科排名
書目名稱Gold年度引用
書目名稱Gold年度引用學科排名
書目名稱Gold讀者反饋
書目名稱Gold讀者反饋學科排名
作者: 充滿人 時間: 2025-3-21 20:39 作者: Free-Radical 時間: 2025-3-22 02:12
London in Transition: Sites of Melancholy,ly attracted by its intrinsic beauty, great maleability, and virtual indestructibility. As tribal development progressed through the Paleolithic, Mesolithic, and Neolithic ages, and as people congregated into civilized centers, the metal appears to have taken on a sacred quality because of its endur作者: 痛恨 時間: 2025-3-22 04:44
?Einheit in der Mannigfaltigkeit?n the light of four basic elements—earth, water, air, and fire. This theory probably originated in the ancient Indus Valley civilization (Harappa?), was taken up by the early Babylonian natural scientists, and passed on to the early Greek philosophers, among whom Empedocles (c. 490–430 .) is usually作者: Commemorate 時間: 2025-3-22 10:06
https://doi.org/10.1057/978-1-137-29073-1ted in Europe for more than four centuries (the Dark Ages) and was only slowly terminated by the institution of the feudal system in the ninth century. This social order passed into decline near the end of the thirteenth century and was gradually replaced during the next three centuries by nation-st作者: Asperity 時間: 2025-3-22 15:06
https://doi.org/10.1007/978-3-0348-6429-9ent of Humanism, a revolution in art, sculpture, and letters but with relatively little progress in natural science, and during much of the sixteenth century by the Reformation led by the son of a miner, Martin Luther (1483–1546). The Humanists devoted themselves to the study of the language, litera作者: Asperity 時間: 2025-3-22 19:48 作者: 舊石器時代 時間: 2025-3-22 22:47
https://doi.org/10.1007/978-981-15-5705-7lution, begun in Britain in the latter part of the eighteenth century, spread during the nineteenth century to mainland Europe and to the Americas and other parts of the world. Initially based on the steam engine, that is, on iron and coal, the Industrial Revolution was further stimulated by the dev作者: scrutiny 時間: 2025-3-23 02:06
https://doi.org/10.1057/9780230509689eam sands. With the onset of civilization and the congregation of early man into urban communities some unknown worker in gold (the first metallurgist) discovered that gold nuggets were variable in composition and could be purified by fire employing a cementation process using common salt. After fir作者: 精美食品 時間: 2025-3-23 05:43 作者: Scintigraphy 時間: 2025-3-23 09:56 作者: Vertical 時間: 2025-3-23 14:19
tween those supporting A. G. Werner (1750–1817) in his Neptunist theory of the sedimentary origin of granitic rocks and those who followed J. Hutton (1726–1797) in his Plutonist theory of the igneous (magmatic) origin of granites. During the early part of the nineteenth century the controversy was p作者: 兵團 時間: 2025-3-23 20:10
https://doi.org/10.1057/9780230510203he theory has been revived from time to time. Its most recent rebirth, concerning mainly the origin of massive sulfide deposits and iron-formations (both of which may be auriferous), is due to Oftedahl (1958), followed later by Stanton (1959, 1960), Sangster (1972), Hutchinson (1973), and numerous o作者: 意見一致 時間: 2025-3-23 22:45
Prevention and Intervention Approaches,ins began with Agricola in the sixteenth century. Since then secretion theories have undergone considerable modification and embellishment. Two general concepts implicit in secretion theories are extant: lateral secretion (.), which postulates that the ore and gangue constituents were derived direct作者: 藐視 時間: 2025-3-24 05:42
https://doi.org/10.1007/978-0-387-69039-1d production. Some of these deposits also contain economic concentrations of uranium, thorium, and rare earths, and minor amounts of recoverable platinoids. The largest economic gold deposits in quartz-pebble conglomerates are those of the Witwatersrand (Rand) in the Republic of South Africa; during作者: Hemiparesis 時間: 2025-3-24 09:16
Biotechnology Intelligence Unit Witwatersrand and other quartz-pebble conglomerates as fossil placers or modified placers, the placer type of auriferous deposit has provided more than two thirds of the world’s store of gold, about 80 × 10. grams (2.6 × 10. oz).作者: Melanocytes 時間: 2025-3-24 13:59 作者: 得意人 時間: 2025-3-24 14:50 作者: 中國紀念碑 時間: 2025-3-24 19:47 作者: Maximize 時間: 2025-3-25 00:45 作者: 命令變成大炮 時間: 2025-3-25 07:09 作者: Nebulous 時間: 2025-3-25 09:33
,Gold During the Pre-Classical (Primitive) Period (5000 B.C.–600 B.C.),ly attracted by its intrinsic beauty, great maleability, and virtual indestructibility. As tribal development progressed through the Paleolithic, Mesolithic, and Neolithic ages, and as people congregated into civilized centers, the metal appears to have taken on a sacred quality because of its endur作者: 墻壁 時間: 2025-3-25 15:09 作者: cauda-equina 時間: 2025-3-25 19:41 作者: MUMP 時間: 2025-3-25 20:37
Gold During the Renaissance,ent of Humanism, a revolution in art, sculpture, and letters but with relatively little progress in natural science, and during much of the sixteenth century by the Reformation led by the son of a miner, Martin Luther (1483–1546). The Humanists devoted themselves to the study of the language, litera作者: 打火石 時間: 2025-3-26 01:26
Gold During the Transition to Modern Scientific Views,nto the early years of the nineteenth century, marks a time span of nearly three centuries, during which many changes took place in politics, social structure, economics, and science in Europe and the newly discovered (i.e., by Europeans) lands of the New World (Americas), Africa, the Far East, Sibe作者: magenta 時間: 2025-3-26 06:58 作者: Odyssey 時間: 2025-3-26 10:51
Geochemistry of Gold,eam sands. With the onset of civilization and the congregation of early man into urban communities some unknown worker in gold (the first metallurgist) discovered that gold nuggets were variable in composition and could be purified by fire employing a cementation process using common salt. After fir作者: jealousy 時間: 2025-3-26 14:35
,The Origin of Epigenetic Gold Deposits—the Ore-Magma Theory, postulated by the midnineteenth century: the ore-magma theory involving siliceous melts, the magmatic-hydrothermal theory, secretion theories, and abyssal theories. The ultimate source of the gold, other metals, and gangue elements (minerals) in gold deposits is mentioned only briefly in these earl作者: Allowance 時間: 2025-3-26 17:10 作者: deceive 時間: 2025-3-26 22:56
,The Origin of Epigenetic Gold Deposits—The Granitization Theory,tween those supporting A. G. Werner (1750–1817) in his Neptunist theory of the sedimentary origin of granitic rocks and those who followed J. Hutton (1726–1797) in his Plutonist theory of the igneous (magmatic) origin of granites. During the early part of the nineteenth century the controversy was p作者: 顯示 時間: 2025-3-27 02:08 作者: LUT 時間: 2025-3-27 08:32
,Origin of Epigenetic Gold Deposits—Secretion Theories,ins began with Agricola in the sixteenth century. Since then secretion theories have undergone considerable modification and embellishment. Two general concepts implicit in secretion theories are extant: lateral secretion (.), which postulates that the ore and gangue constituents were derived direct作者: 未成熟 時間: 2025-3-27 09:49 作者: POINT 時間: 2025-3-27 13:36
,Gold Deposits—Placers, Witwatersrand and other quartz-pebble conglomerates as fossil placers or modified placers, the placer type of auriferous deposit has provided more than two thirds of the world’s store of gold, about 80 × 10. grams (2.6 × 10. oz).作者: Outwit 時間: 2025-3-27 20:09
Oxidation and Secondary Enrichment of Gold Deposits,e enrichment may be primarily the result of the chemical removal of a large part of the gangue minerals, in which case the gold migrates slowly downward by gravity or is left behind as a residual component. Such enrichments require no chemical movement of the gold; the lodes simply weather down and 作者: Aerate 時間: 2025-3-27 22:22 作者: STIT 時間: 2025-3-28 02:13 作者: 載貨清單 時間: 2025-3-28 09:09 作者: 撤退 時間: 2025-3-28 11:04 作者: 消音器 時間: 2025-3-28 16:11 作者: canvass 時間: 2025-3-28 18:44
Biotechnology Intelligence Unit Witwatersrand and other quartz-pebble conglomerates as fossil placers or modified placers, the placer type of auriferous deposit has provided more than two thirds of the world’s store of gold, about 80 × 10. grams (2.6 × 10. oz).作者: Gnrh670 時間: 2025-3-29 01:10
Introduction,f at times derogatory, epithets. Nevertheless, man has retained a curious fascination for the metal for more than 5,000 years, undoubtedly promoted by its great natural beauty and universal durability.作者: 顯微鏡 時間: 2025-3-29 06:09 作者: Champion 時間: 2025-3-29 09:57 作者: 心痛 時間: 2025-3-29 12:31 作者: corn732 時間: 2025-3-29 16:13 作者: 贊美者 時間: 2025-3-29 19:52
?Einheit in der Mannigfaltigkeit?as taken up by the early Babylonian natural scientists, and passed on to the early Greek philosophers, among whom Empedocles (c. 490–430 .) is usually credited with refining the concepts of the theory. Aristotle embraced the four element theory and added another concept, that of the ether.作者: Chameleon 時間: 2025-3-30 00:17 作者: 縮短 時間: 2025-3-30 05:47
Loneliness Among Children With Special Needsic, metamorphic, or magmatic the theory is more specific, indicating respectively that the hot waters are derived as a result of near-surface, metamorphic, or magmatic processes. The last is the subject of most of this chapter; the first two processes are discussed in greater detail in subsequent chapters.作者: 品牌 時間: 2025-3-30 09:28
https://doi.org/10.1007/978-1-349-09151-5, especially the problems of fineness (Au/Ag ratio) of gold and the chemistry of wall rock alteration in auriferous deposits. The interested reader can refer to Boyle (1979) for summaries of worldwide investigations on these subjects.作者: 有權(quán)威 時間: 2025-3-30 13:01
,Gold Deposits—Special Topics,, especially the problems of fineness (Au/Ag ratio) of gold and the chemistry of wall rock alteration in auriferous deposits. The interested reader can refer to Boyle (1979) for summaries of worldwide investigations on these subjects.作者: 修改 時間: 2025-3-30 20:19 作者: Indigence 時間: 2025-3-30 20:53 作者: dragon 時間: 2025-3-31 02:10
,Gold During the Pre-Classical (Primitive) Period (5000 B.C.–600 B.C.),symbol of wealth and social rank (the royal metal). Homer (c. 1000 .), in the ., the epic poems of ancient Greece, mentions gold repeatedly both as a sign of wealth among mortals and as a symbol of splendor among the immortals.作者: 佛刊 時間: 2025-3-31 08:08
Gold During the Transition to Modern Scientific Views,ine of monarchial absolutism in Europe, the emergence of parliamentary monarchy in England, the Seven Years War (which removed French dominion from America 1759), the American Revolution (1775–1783), the French Revolution (1789–1795), and the rise and fall of Napoleon Bonaparte (1815).作者: 通知 時間: 2025-3-31 11:43
https://doi.org/10.1007/978-981-15-5705-7tury by the jet engine and atomic power, all combining to create the vast industrial enterprises and communication and transportation systems familiar to everyone today. In this development geology, especially coal, ore, and petroleum geology, has played an indispensable role.作者: collagenase 時間: 2025-3-31 17:14
or granitic rocks, the transformist theory, reactivated this controversial subject. Early ideas on high-temperature transformation of rocks (granitization) can be seen in the works of Ami Boué (1794–1881), J. Fournet (1801–1869), and H. Sainte-Claire Deville (1816–1881).作者: Jargon 時間: 2025-3-31 18:24 作者: AMEND 時間: 2025-3-31 23:02
