Bedrock Geology of the High Peaks Region, Marcy Massif, Adirondacks
1 BEDROCK GEOLOGY of the HI G H PEAKS REGION, MARCY MASSIF, ADIRONDA CKS, N.Y. Howard w. Jaffe Elizabeth e. Jaffe pa u I W 0 1111 a+ • L e o M. Ha I I LOJ Bo Jc 8 6 7 lAKe PLAc10 N.y. CONTRIBUTION NO. 46 DEPARTMENT OF GEOLOGY& GEOGRAPHY (I NI VE RSITY OF MASSACHUSETTS AMHERST MASSACHUSETTS ' N ... 7"'1';;···, ' ~.::':.'I. -~:,: .. Plate 1. Mt. Marcy, 5344'(1629m), from the summit of Skylight Mt., 4926'(1502m), core of Marcy anorthosite massif, Mt. Marcy quadrangle. 3 Dedicated to Willie and Bud friends, colleagues, and Adirondack field geologists A. Williams Postel A.F. Buddington (1909 - 1966) (1890 - 1981) 15' quadrangles mapped in the Adirondacks Dannemora (1951) Antwerp (1934) Churubusco (1952) Hammond (1934) Lyon Mt. (1952) Lowville (1934) Clinton Co. Santa Clara (1937) Magnetite District (1952) Willsboro (1941) Mooers (1954) Big Moose (1950) Moira (1955) Port Leyden (1951) Chateaugay (1956) Saranac Lake (1953) Loon Lake (1956) St. Lawrence Co. Malone (1956) Magnetite District (1962) Nicholville (1959) ~ Plate 2. Mcintyre Range in the anorthosite core of the Marcy Massif, showing Algonquin Peak, 5114'(1559m), Boundary Peak, 4850'(1479m), Iroquois Peak, 4850'(1479m), and Mt. Marshall, 4360'(1329m). Mt. Marcy and Santanoni quadrangles. .-!:·: •, , .~ i ', "~.~ :;.·~~-:·-.·,. fa~ --~ff ..-" '.> .... , ••• ". -.: "'°-!~~'r,.':;1·~ •• :: v ·,. ~ ••• : • ·- • ' • ,:>:;;.t.J/!P,i"' 1~.... , ·:~~:;~>~~:.~)·;~·:-~ . -·~i-:~ :· ·'i·--·,. -~t~~- "'.'~~·ii»::-:~"';...,:.. ·r •:'+:~'.~' ''~(~~.~~~/· . ·;r·.:; ..~ .. i~.._.. ~.•:· Plate 3. View NE from summit of Skylight Mt. across prominent cone of Haystack Mt., 4960'(1512m), to Giant Mt.(center horizon), 462 7' (141lm) ; from left margin to center are: Basin Mt., 4827' (1472m), Gothics, 4376'(1444m), and Wolfj aw Mts.
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