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A 1662 (not p 2), earthy very soft, fine, dirty white sandstone

B 663 – soft conch fracture, clay-stone: decomposing

B (do) 663 664 small angular fragments, whitish, salt taste –

C. 664 665 (not for), hard conch fracture, fine grained, white Feld[spar]

D 664 666 whitish, yellowish, hardish, earthy feldspathic rock

E 667 same as (673)

F 668 not effervesce, white hard, rough fracture, feld rock with

G 669 white hard conch fract, fine grained, [illeg] feld rock (minute grains of quartz ?)

H 670 dike white feldspathic rock fract black mica, green crystals quartz

J 671 mixture of crystal of quartz, mica, feldspar cemented by ferruginous matter

M 672 yellowish feld rock, hard earthy conch: fracture (not for)

N 673 whitish yellowish hard semi-crystall. porphyry with imbedded white crystals

O 674 hard earthy red porphyry abounding with white earthy crystals

P 675 [illeg] the chalk for very earthy soft feld rock specks of quartz

P 676 (681) Feldspathic rock, hard very fine conch of mica with some crystals

Q 677 Fine, dull red porphyry hard conchoidal fracture square white crystals, very little quartz

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(A) 655. (B) 656. Varieties of porphyry lying immediately under shale rock. (65)

657. 658. 659. 660. Varieties of porphyry rock next end of Port Desire 27 much [illeg]

(659 with crystal earthy extraneous fragments

657 & 658 the most common varieties

(Jan 3rd.)

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T 1678 white herdigl feld: (2 manny scales of black mica

V 679 pink red semi-crystallic white specks porph:

W 680 Pitchstone (with imbedded pieces?)

   681. in place of (1676)

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T 1678 white herdigl feld: (2 manny scales of black mica

V 679 pink red semi-crystallic white specks porph:

W 680 Pitchstone (with imbedded pieces?)

   681. in place of (1676)

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                                                                     Rocks near the fort

Rocks near the fort

A1 1682 White, feldspathic, with crystals buz above

A2 1683 A more course earthy [illeg] in which upper part shows lines like water deposition in sea on grand scale (these lines)

B1 684 Pale purple porphyry with some crystals & going over all the Bs which occur in no particular order & pass into each other

B3 685 White compact felds with very few crystals

B2 686 Pale purple part of rock with last used in architecture[?]

B2 689 – do rather courser paler coloured

B3 688 White softer much courser quartz patches

B4 689 Reddish do          do          do

C 690 More perfectly porphyry than (684) of which rock this is a continuation

D 691 Porphyry white earthy feldspar in patches or layers like that of 2 hills

    692 White porphyry or feldspathic rock, hard vessicular with quartz – in common red porphyry

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[sketch]

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1655 – pale reddish brown, porphyry slightly vesicular with few small crystals of the 3 minerals

656 reddish purple with pale specks or imperfect crystals of earthy feldspar

657 Bluish reddish porphyry mingled together in concretionary vesicular with few crystals of glossy feldspar, quartz &c

658 Ditto where fragments of extraneous porphyry appear to be imbedded in a basis of reddish

659 do do

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Additional Notes

1634: 1635: pale purple porphyry; small cavities — white patches forming oblong masses so as to give certain degree of a laminated appearance

1636 a compact variety of Porphy. with squ white angular white patches or crystals of earthy feldspar; very slightly laminated; together with other variety with quartz

1643. 1644. base porphyry with much iron? vesicular cavities lined with quartzose rock & containing crystals of quartz. —

1647 is evidently more clearly porphyritic than (648) they occur close together

1649 Bare feldspathic patches of quartz & small pebbles of porphyry

1652 Basis red porphyry crystals of quartz, white earthy feldspar & mica

1654 Compact pale purple, tough porphyry with few crystals of earthy variety [illeg] River cavernous, irregularly papform. —

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642. 643. — Pitchstone — occurring in a bed beneath Porphyry — Opposite Guanacào island cavernous, small quartz crystals & [illeg]

643, 644. Bed of rock in porphyry: do

646 — Containing much iron — in Porphyry

Guanacos Island Cliffs West of anchorage

647. 648. — Varieties [illeg] of Jaspery rock (containing crystals above sandstone conglomerate. porphyry became [illeg]

649 — Sandstone conglomerate

650 — Compact semi semi-crystalline whitish feldspathic rock also above. — such rock as (640).

651. Chalky (with speck of flint) above Turritella?

(650) ∴

652 — Dyke cutting through the cliffs, friable, white uncrystallized feldspar, quartz [illeg] cavities lined with ox. of Iron

654 Commonest variety of Porphyry behind the fort.

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1625 — Fragment of shells, Pectens &c. Barranaca soft [river]

1626. 27. 28. 29. — Area — Turritellae. rock abundant

1630 — Turritellae

1631 do

1632 Hinge of very large shells

1633 Salt from a deep flat muddy valley in small plains: —

1634: 1635: Variety of Porphyry in laminae western foot of 2 hills

1636: The partly proof that the porphyry compact porphyry passes into the laminae

1637. 1638 — 2 compact varieties of porphyry with little feldspar & quartz lying above (1635) — All West hillocks of 2 Hills

1639 porphyry abounding with crystals of feldspar & quartz. very porphyritic variety. Brittanea rock

1640. white clay, sandstone — upper bed of great plain Calcarea at foot of 2 hills — soft —

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