EARTHS. AGGREGATE. 63. Breccia. 



201 



arg 



C. fFifh an argillaceous cement, 



illosa. Confifting of fragments of trap, cemented by jafper. 

 Born, ind.fojs. i. />. 156. 

 Found in Nor^vay, 



basaltina, Confifting of fragments of columnar bafalt, conglutinated 

 by alumina, 

 tsofe orcgr. i- />. 163. , . , ' • 



Found on the banks of the lower Rhine, and in the mountains 

 Honderherg and Wulfoerge, 



lavina, Confifting of fragments of lava, conglutinated by calca- 

 reous earth. 

 Ciccrchina. Freher Br. a. Welfchl. 7. p. 96. 

 Found in Italy, near FiejoU in lujcarrf, and is uied for the pur- 

 pole of polifhing marble. 



D. IJ^tth ufiliceous cement. 



helvetica, Confifting of fragments of hornftone, agglutinated by 



marl. 



Nagelfluh. Nagelfels. Andrea Br. a, d.fchnu, /. 36, &c. 



Found principally in the fouthern and vveftern parts of ^Sov/Vx^r- 

 landy fometimes in detached pieces, fometiraes in rocks and 

 large mafles, and is ufed as a material for buildings : it does 

 not admit a poliih, and has frequently the veftiges of animal 

 relics imprefled upon it, as fharks' teeth, &c, 



tornea, Confifting of fragments of hornftone, conglutinated by 

 alumina. 

 Born, ind.fofs. I. /. 156. / • o 



Found near Idria in Carnida, and neaj Schneeburg m Saxony, 

 in the latter place it has fome portions of fpar. 



mixta. Confifting of fragments of hornftone and quartz, conglu- 

 tinated by calcareous earth. 

 Found near Anne berg in Saxony, 



silicina. Confifting of fragments of hornftone, flint, and quartz, 

 conglutinated by a cement of jafper. 



Saxum filicibus. Sy^. nat. xii. 3. p. 80. «. 39. 



Saxum filiceum. IVall fyst. i. /'.428. ». 5. 



Quanzofe Pudding-ftone. So-werby Brit, min, t. 92. 



Pudding Stone. Xir^wan mineral. I./. 360, 



Puddir.gllone. Schmeijjer miner. 1. p 329. 



Found in Britain^ particularly in Herefordjhire, and Bohemia". 

 the pebbles are often variegated, and the cement grey or 

 tawny: it receives a fine poliih, 



VOL. VII. — C c 



