DD RPT 21 MCELROY - Geology Ontario

DIAMOND DPI L
320048*0206 31 MCELROY
010
TOWNSHIP! McElroy REPORT No,: 31
WORK PERFORMED BY:
Falconbridge Copper
CLAIM
HOLE No,
FOOTAGE
DATE
NOTE
L 550222
BC -
395.0
Nov/81 (1)
NOTES:
(D #598-8i

HOLE NUMBER
CORPORATION FALCONBRIDGE COPPER
DRILL HOLE RECORD
PROJECT PN 042 LOCATION . Claim L 55
iastarache-Caston guay Option Township, L arder lakoiv|"]un ft" 0"1^
) test resistivity IP
i near CLI-7N showing
-41 0
AGIO TESTS 385
uastarache urid
LAT L 11 NW
OEP 1 * 00 NE
EUV
Unsurveyed
COLLAR .
WNO 035 True
OATESTARTEO NOV.10,1981
DATE COUPLETEO NOV. 13,1981
TROPAfll
TESTS
COUAR 0
txp -45
HOLE
Q METRIC UNITS
XXMPERIAL UNITS
FINAL
size AQ OEPTH395 Ft,
CONTRACTOR McKnlght Drilling Co. Ltd.,
CORE STORAGE Holy Hill CASING Intact
N
N0ne
MLK EU SLWVEY
O
FROM
TO
ROCK
TYPE
COLOUR
GRAIN
SUE
TEXTURE wo STRUCTURE
ANGLE TO
CORE AXIS
ALTERATION
SULPHIDES
REMARKS
0.0 -
14.0
Casing
14.0 -
17.0
Lamprophyr e
Dyke
Grey
to Black
Fine
to Hed.
Massive, microporphyritic
1n biotite
Lower
Contact
208
17.0 -
46.4
46.4 -
56.0
Argil lacec us Black
Pebbles tor
and
Argil 11 tes
Greywacke
BC-1
e
to
Dark
Grey
Light
Clays
Grey-Gree n pebbl is
to 4mm subangular Immature fragments
pebbles
0.5cm Section grades from a massive
at base
silts a t
top
Chaotic sedimentary unit.
In order of abundance -
komat11t1c volcanics, argilli te,
wackes, bedded chert, felspar
porphyry and sulphides (pyrrt otlte)
Fragments matrix supported bj
a black argillaceous material
- Poor fabric, not really bedde d.
pebblestone at base throuc i
a dirty wacke to a fine
siltstone at top.
Only the siltstone shows a
weak bedding at top.
Vuggy
45"
Strong pervasive
carbonate alteration.
Strong pervasive carboan
alteration
Trace pyrrhotite 1n the for n
of clasts up to 1 cm.
e
None
Appears to be a single
turbidite pulse,coarse
base? fine top. Tops
would appear to be down
hole.
FRANK BALINT

fflOM
10
ROCK
TYPE -
COlOUR
GRAIN
size
TEK1URE AND STRUCTURE
ANGLE TO
CORE MIS
ALTERATION
SULPHIDES
REMARKS
Fragments appear to be
predominantly komatiitic
volcanics with minor chert an i
argillite.
56.0 -
106.0
;oarse
(omatiitic
/olcanoclast
Distinct
Light
c Blue-
Green
Frags.
up to
6 cm
Massive - fragment supported
clastic.
10* - 15* ultramafic chloritl
matrix.
801 komatiitic fragments (sub mgular)
(olivine spinifex observed in
some fragments).
Intense pervasive carbona
alteration,
strongly chloritic matrl)
te
2% pyrrhotite over
section as elongate subro
massive fragments. Occas
fragment has trace chalco
pyrite as blebs in pyrrho
The sulphides
nded appear to be
onal related to the
komatiitic volcan
ite. 1cs Le. -more
komatiite frags more
sulphides.
5* feldspar prophyritic rhyol
te
fragments (subrounded).
2* sulphide fragments
Unit gradually fines Into
massive greywacke over 3 ft.
Upper contact (base of unit?)
very sharp at
45 0
106.0 -
156.4
Greywacke
with screen
of komatHt
Variable
Grey to
c Black
Silts
to
Bedded greywacke 50* of
section. Argillaceous -
Pebble s silty screens 301.
45"
Strong pervasive carbon
ate alteration.
Trace pyrrhotite
. ^.
volcanoclas
le
to
Komatiitic volcanoclastlc
and argilli
.e Light
debris as above from
Green
146.4 - 151.3
146.4 - 151.3 - 1* pyrrhotlas
clasts.
i
BC -

fROM
10
156.4 -
252.0
252.0 -
319.0
ROCK
TYPE
Argillite
Siltstone
KomatHtlc
Debris with
argillaceous with
screens
COLOUR
Black
Light
-blue
dark gree i with
matrix.
GRAIN
SI2E
Fine
silts
to clay
: ragmen
Volcanoclast ic green fine
BC-1
jrained
;ome
coarse
)Hv1ne
quench
texture
TEXTURE ANDSTRUCTURE
Finely bedded
SK komatiite volcanic fragmer
up to 1 cm in size In argill
202' down section to 252.0'
more silty (10X-15* pebbles)
249.7 - 250.3 - carbonated
mafic dyke
Lower contact very sharp at
30 0 , locally brecciated and
carbonate veined appears to
be a fault contact.
.s Fragments up to 3 cm
generally angular to sub
angular. Fragment types;
80* peridod1t1c komatiite
good olivine spinifex perser
in many fragments.
10* - 201 chlorite-talc
matrix.
55; feldspar porphyry
23! banded chert cherty tuff
Screens of finely laminated
black silt at:
269.7 to 271.4' (1.7 1 )
272.0 - 272.4 ' (0.4 1 )
ANGLE TO
CORE MIS
ts
te.
450
SO'/eO0
300
Argillite
screens
bedded at
450 . 50 0
ved
ALTERATION
Weak pervasive carbonate
li free carbonate veinle
Moderate to strong
pervasive carbonate
alteration throughout
section.
^ 1* free carbonate
velnlets.
.s
SUIPHIDES
No apparent sulphides
^J! pyrrhotite over whole
section. Pyrrhotite occur
as fine disseminations in
matrix and a subrounded
fragments up to 3 cm with
trace chalcopyrite blebs
or along rims to fragments
1
REMARKS
Possibly a weak
carbon component.
Fault contact ??
Similar to unit higher
i in hole.
Ultramafic turbidite
debris flows with
interclated deep water
arglllites and siltstone;

FROM
TO
ROCK
TYPE
COLOUR
GRAIN
SIZE
TEXTURE **0 STRUCTURE
ANGLE TO
CORE AXIS
ALTERATION
SULPHIDES
REMARKS
277.7 - 278.8 (l.V)
282.8 - 289.0 (6. 2'}
297.7 - 298.6 (0.9 1 )
Carbonated mafic or ultramaf
C
dykes:
279.8 - 282.9 (3. O 1 )
289.0 - 291.0 (2.0 1 )
450;450
500 ;500
From about 300' to 319'
50* - 60* of section 1s a
coarse massive wacke.
319.0 -
367.0
Quartz
Carbonate
Veined,
Brecciated,
Sulphide
Bearing
Komatlitic
Volcanoclas
Debris.
Grey to
Pale
Creamy
Brown
with
White -
Grey
1c
Fine
Veit ing
Same material as higher in
section but intensely broken
up, carbonate altered and
injected by qtz. carbonate
velnlng.
20X - 30X quartz carbonate
velnlng.
Veins have 2 orientation
populations 0 - 30 C to C. A.
and 450 - 900 to C. A.
Veins are from 1 m - 2 cm
0 - 30 0
450- 900
thick often ragged and splay id
1 O0 -300
Chloritic foliation 300 to 0
to C. A.
Intense pervasive carbona te
alteration. Brown (Iron
carbonate) mottling
throughout.
5X - lot chlorite -
chloHte-talc ?
5X - 7X sulphides iover
entire section.
(3t po, 2X py, trace cp
Locally up to 15t sulphide!
Sulphides occur as fine
disseminations amd as
streaks and platings on
chloritic platy surfaces. Ground lost core
Sulphides are more abundan 324 - 346 (T)
near qtz. carbonate velnini .354 - 356.5 (l 1 )
IX sulphides actually 1n 356.5 - 363 (l 1 )
qtz. veinlets.
Badly broken ground 339'
319 - 323 - excellent
olivine spinifex
preserved in fragments.
363 - 367 (4 1 )
OX recovery.
BC-1

FROM
10
HOCK
1VPE
COLOUR
GRAIN
SIZE
TEXTURE A*o STRUCTURE
ANGLE TO
CORE AXIS
ALTERATION
EUlPHIMS
REMARKS
367.0 -
371.5
Carbonated
Pyrite
Bearing
aflc Dyke
Grey -
Green to
Dirty
Brown
Fine
Massive
3i - 44 carbonate velnlets
Upper contact
Lower contact
ground
US0
Intense pervasive
carbonate alteration
21 finely disseminated
pyrite and pyrrhotite
throughout
Related to tectonic
zone above.
371.5 -
395.0
KomatHtlc
Volcanoclas ;1c
Debris
SAM!
UNIT AS ABOVE TECTONIC ZONE
IX sulphide-fragments up t
2 cm pyrrhotite with trace
chalcopyrite.
Identical material as
above tectonic zone.
395.0
END OF HOLE
-
BC-1

ASSAY SHEET
Sampl*
Numb*'
r,M
To
[ ( mil*
Co
2n
Langth
*.c*
* 2"
K Pt
ci AC
PPfc*u
s*o,
V.
IOi
N&
M^b
•k
It
PPM
Cu
PPM
PPM
Pu
PPM
H'
TBD 097
25
35
10
8
55
90
10
641
Argil 1 iceous
pebble
TBO 098
65
75
10
17
47.1
0.63
1.73
63
38
7
689
Komat
ite vo
canoctastt
TBD 099
135
145
10
214
37
68
5
462
Greywa :ke
TBD 100
195
200
5
12
60
113
13
211
Arglll ite
TBD
1A
270
280
10
25
60
159
9
Komati 1te vo
canolastic
TBO 2A
TBD 3A
T8D.-4A-
TBD 5A
TBD 6A
TBD 7A
TBD 8A
319
324
329
334
339
344
349
324
329
334
339
344
349
354
5
5
5
5
5
5
5
Mho le
:ore si tripled
16
9
11
8
7
10
7
11
15
16
13
23
15
17
Qtz.ca rb. ve
kona t Ute b
"
x
"
II
"
"
"
"
"
"
ned
ecda
D
"
"
"
"
"
TBD
TBD
9A
IDA
354
359
359
363
5
4
Whole
Whole
:ore s. mpled
core s mpled
11
13
60
176
"
II
"
H
"
363
367
Groun 1 core
- no s
mple
BC -l

ASSAY SHEET
CaT^H*
Hi"*.-
lim
To
lium*!*
Ci, ?n
Ungih
\c* *i" *P6 u *8
^^A,
t*.
n
IiO, N&, Jfc S
PPM
Cu
PPM
2n
PPU
Pt
PPM
N.
TBD
11A
367 '
.J7.1..5
4.5
Qtz.
komat
arb.
ite b
elned
iccia
TBD
12A
385
395
10'
8
4?
73
18
545
Cpmatl te vo canoilastic
BC-1

L 550221
Q.
at* )222
X
UJ
o
L524I77

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