e 



ly along the beach f from which it fim* o few feeL The beach at IE* base is ■ band 

 eonsislang of the upper edge* eT seft scmideeoiri posed Tcriieai laminae Further oil another 

 mass has i If nice composed of solid, slightly projecting nuclei of different shapes wilh lami- 

 nae between* The nuclei are similar in com portion to thu preceding rock, but in Ihu lami* 

 Haled perl ion t iLa block mica is so lliickly inie rape tied as in forro about a I bird of 

 iho whole, A qiurUoge vein about an inch in lhu:kne.is I ratcrac* lhe face cf the rock, cut* 

 ting through both the *olid and laminated portion!. Beyond this extended tabular rockt 

 occur, along I bo flai surfaces of which Ussures and divisional lines run in a direction ML 

 bj N**-- SW. by 5. A pcrlion of the surface is covered with a ferruginous micubr 

 crust j, volcanic in appearance. Tbe nest considerable rock u a ledge running out iji!o the 

 tea, aboul AO U:\-A in L itjih and 0 lo ft in breadth* A. porlian of it is marked by * Hot 

 work oF eonLurDHOraiiuaus veina of a larger priitiL and Tliurc; eh irarcirjiuji 1h;tn the tody of the 

 r.(itt ; at some places the veins tend lonfjucs into the letter- Tins structure h analogous lo 

 that which the more decomposed rocks consisting of solid nuclei and laminated curved bauds 

 exhibit. 



Al'.ni;; ilk i^. wrist wherever Hit- jiinulion of the rock with the superjacent soil of tbe hill 

 null 1 U \\7i\h\1\ three is , La general! a*i irregular band of angular fragment* of the farmer 

 partially in U- mangled with thu latter, evidently retnkinn from the &\mtU descending dkln^ 

 teg rati on of the rock; at *oiuo pUoe4 h&wuTcr a layer of rounded pebbly stones U interpo- 

 sed Let ween tbe broken surface of ibe rock and that of the soil. An eumplu of this occurs 

 here. The.* pebbles are chiefly of three £nrl& } — a poreclknojs rock probably acmiduc®m|joscd 

 granite and syenite — brownish te4 ferruginous rock, — and jsppidcou*. The first k by 

 fkr tbo most abundant. Oft the beach in the vicinity arc numerous pebbles of tha same 

 description j and also soma rounded scoriacecus stone* similar to those wbicb are so torn me a 



in Sirrijiiport. 



A* the 5£. angle of the Ldaud it approached t regular spherical nuclei with concentric 

 spherical laminae arc found, Tbo most remarkable point in the character of the rock where 

 it assume* this structure is. the abundance uf black iniea, which indeed conitilutci tbe entire 

 mass with the eiceplion of a little felspar which serves as a basis. It i* to this circum- 

 stanee that tbe tendency to this peculiar arrangement of the crystals is in all Likelihood 

 ovHii s ;. Thu |>: iViin.Liui ; ruck .mtiuil.I lliuse lumi .mlcd micaceous ^lolxi-i is grcyfch ond faint 

 greenish [guartio - fchtpalhicj wilh minute particles of mica and hornblende interspersed, Id 

 decomtteain}! it Lakes a rusty colour. It is obvious I bat the weathering of such globular fo- 

 liated portions of a. compact rock, in sil tuitions where the whole was less preyed on by the 

 sea j would give ti« to cup? end spoon shaped cavities on the surfaces ef the more compact 

 masse* p and that ro W( of sue h spherical portions gradually escavated would ultimately as- 

 lunic thn a pries ranee of groove* like those formerly described (1J T 



The 3. point has at one places thu appearance of having been subjected to the action 

 oXhcat Htucc the toek was formed Tbe sides of cleavage Esjures bare a bta-ckisk bro#n fur* 

 f urinous hue and a tbia bard Laininao or seam Imviitig tbr> same chaiaeter sometimes uHs 



— C ■ J" AoE *- sk. .5. e 



