Mineralogia Cornubiensis: A Treatise on Minerals, Mines, and Mining: Containing the Theory and Natural History of Strata, Fissures, and Lodes, with the Methods of Discovering and Working of Tin, Copper, and Lead Mines, and of Cleansing and Metalizing Their Products; Shewing Each Particular Process for Dressing, Assaying and Smelting of Ores. To which is Added, an Explanation of the Terms and Idioms of MinersD. Bradford Barton Limited, 1778 - 331 من الصفحات |
من داخل الكتاب
النتائج 1-5 من 36
الصفحة
... Underlie , & c . C JORNISH Strata of different denfities , and not stratified by the laws of gravity , but by thofe of affinity , 72. ex- plained and accounted for , 73. Soft Grouan Stratum encloses Tin Lodes , 73. Slate - Killas , fix ...
... Underlie , & c . C JORNISH Strata of different denfities , and not stratified by the laws of gravity , but by thofe of affinity , 72. ex- plained and accounted for , 73. Soft Grouan Stratum encloses Tin Lodes , 73. Slate - Killas , fix ...
الصفحة
... underlie of Lodes towards each other , and the changes and diforders occafioned thereby - Of two Lodes underlying both alike , 106. Of the Start , Leap , or Heave , by a Slide or Courfe - Flookan ; or the being " out by a Slide ” —Of ...
... underlie of Lodes towards each other , and the changes and diforders occafioned thereby - Of two Lodes underlying both alike , 106. Of the Start , Leap , or Heave , by a Slide or Courfe - Flookan ; or the being " out by a Slide ” —Of ...
الصفحة 72
... Underlie . EFORE we difcover the receffes of our Metals and BEM Minerals , it will be convenient for the reader to have fome knowledge and acquaintance with the circumjacent Strata , which enclose the objects of our enquiry : purfuant ...
... Underlie . EFORE we difcover the receffes of our Metals and BEM Minerals , it will be convenient for the reader to have fome knowledge and acquaintance with the circumjacent Strata , which enclose the objects of our enquiry : purfuant ...
الصفحة 79
... underlie ) over their heads ; and the lower , or other wall or rind , is under their feet and further , whatever angle of incli- nation fome Fiffures make at firft in the firm folid Strata , they feldom vary from the fame in depth ...
... underlie ) over their heads ; and the lower , or other wall or rind , is under their feet and further , whatever angle of incli- nation fome Fiffures make at firft in the firm folid Strata , they feldom vary from the fame in depth ...
الصفحة 80
... underlie a small portion different ways , as hard Strata on either fide may feem to force it . Some Fiffures do not alter much from a perpendicular ; and fome do underlie a fathom in a fathom ; that is , for every fathom which they go ...
... underlie a small portion different ways , as hard Strata on either fide may feem to force it . Some Fiffures do not alter much from a perpendicular ; and fome do underlie a fathom in a fathom ; that is , for every fathom which they go ...
المحتوى
i | |
ii | |
iii | |
viii | |
1 | |
3 | |
9 | |
16 | |
124 | |
130 | |
136 | |
137 | |
144 | |
166 | |
173 | |
179 | |
21 | |
23 | |
29 | |
33 | |
35 | |
43 | |
44 | |
51 | |
57 | |
63 | |
71 | |
72 | |
80 | |
87 | |
97 | |
100 | |
106 | |
192 | |
201 | |
204 | |
213 | |
215 | |
222 | |
231 | |
238 | |
247 | |
253 | |
259 | |
271 | |
279 | |
286 | |
288 | |
292 | |
طبعات أخرى - عرض جميع المقتطفات
عبارات ومصطلحات مألوفة
Adit adventurers affay alfo almoſt alſo anſwer Antimony Aqua Fortis becauſe beſt black Tin bottom buddle cafe calcination called caufe cauſe colour confequence confiderable Copper Cornwall courſe Cryſtal depth diffolved diſcovered diſcovery diſtance dreffing earth eaſily expence facks faid falts fame fathoms feet feldom feparated feven feveral fhall fhillings fhould fhovel fide Fiffures fink fire firft firſt fituation fize fmall folid fome fometimes foon fouth fteam ftrata ftratum fubject fuch fufficient funk fuppofe furface Goffan Gold ground hundred inches inftance Iron itſelf laft lefs leſs likewife Lode meaſure Metal metallick Mineral Mines moft moſt muft Mundick muſt neceffary obferved occafion particles perfons petrifactive pounds prefent purpoſe quantity raiſed reaſon Redruth refpect rich Semi-metals ſeparate Shaft ſhall Shode Silver ſmall ſome ſtate Stones thefe themſelves theſe thofe thoſe thouſand Tin-ftuff Tinners tons underlie uſed vein waſhed weft white Tin Whym