1-20 OF 243 RESULTS FOR

Adirondack Lowlands

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
×Close Modal
Sort by
Journal Article
Journal: Geosphere
Published: 01 December 2010
Geosphere (2010) 6 (6): 900-916.
.... 1200–1160 Ma). The ARS is of calc-alkaline character, bimodal, and lacks intermediate compositions. Primarily intruding marble and pelitic gneiss, the ARS is spatially restricted to the Adirondack Lowlands southeast of the Black Lake fault. On discrimination diagrams, the ARS samples plot primarily...
FIGURES | View All (17)
Journal Article
Published: 21 October 1999
Canadian Journal of Earth Sciences (1999) 36 (6): 967-984.
...Hardolph Wasteneys; James McLelland; Sydney Lumbers Abstract New high-precision, single-grain dating of leucogranites from the Adirondack Lowlands, dated previously by multigrain zircon methods at ca. 1416 Ma (Wellesley Island) and ca. 1285-1230 Ma (Hyde School Gneiss), has yielded U-Pb zircon ages...
Journal Article
Journal: Geosphere
Published: 01 December 2013
Geosphere (2013) 9 (6): 1637-1663.
...–1.15 Ga in the Adirondack Lowlands (New York State, USA) and the Frontenac terrane (Ontario, Canada). The 1.20 Ga bimodal Antwerp-Rossie suite of the Adirondack Lowlands was produced by subduction in the Trans-Adirondack backarc basin. This was followed by intrusion of the 1.18 Ga alkalic to calc...
FIGURES | View All (16)
Journal Article
Journal: Geosphere
Published: 01 December 2011
Geosphere (2011) 7 (6): 1303-1323.
...Graham B. Baird; Catherine H. Shrady Abstract Determining the relationship among crustal blocks within an orogen is a key factor in understanding the architecture and construction of that orogen. Within the large, mid-Proterozoic Grenville Province, the relationship between the Adirondack Lowlands...
FIGURES | View All (17)
Journal Article
Journal: Geosphere
Published: 01 April 2011
Geosphere (2011) 7 (2): 333-356.
...Jeff Chiarenzelli; Marian Lupulescu; Eric Thern; Brian Cousens Abstract The Pyrites Complex in the Adirondack Lowlands domain of the Grenville Province forms the core of a large NE-trending, elongate, winged structure ∼15 km long dominated by highly deformed metagabbro, amphibolite, and hornblende...
FIGURES | View All (17)
Journal Article
Journal: GSA Bulletin
Published: 01 November 2006
GSA Bulletin (2006) 118 (11-12): 1283-1298.
...Matthew J. Heumann; M.E. Bickford; Barbara M. Hill; James M. McLelland; Bruce W. Selleck; Michael J. Jercinovic Abstract Anatectic leucogranites are common in metapelites within both the highlands and lowlands terranes of the Adirondack Mountains of northern New York State. The formation...
FIGURES | View All (12)
Series: GSA Memoirs
Published: 01 January 2004
DOI: 10.1130/0-8137-1197-5.285
.... This research suggests that folding identified in the Adirondack Lowlands can be traced to at least the southwest margin of the Diana syenite with no obvious discontinuity. Significant implications of this research suggest that: (1) the Adirondack Lowlands deformation likely includes some folding events...
Series: GSA Memoirs
Published: 01 January 2004
DOI: 10.1130/0-8137-1197-5.299
... 40 Ar/ 39 Ar incremental-heating measurements of Grenville metamorphic rocks from the Adirondack Lowlands, New York, constrain a ca. 1100–900 Ma history of uplift, exhumation, and cooling in the eastern Frontenac terrane following the ca. 1200–1170 Ma Elzevirian orogeny and the ca. 1080–1070...
Journal Article
Journal: GSA Bulletin
Published: 01 February 1980
GSA Bulletin (1980) 91 (2): 100-102.
Journal Article
Journal: GSA Bulletin
Published: 01 February 1980
GSA Bulletin (1980) 91 (2_Part_II): 589-616.
...Edward F. Stoddard Abstract INTRODUCTION Since the now-classic studies of the Engels in the late 1950s and early 1960s (Engel and Engel, 1958, 1960, 1962a, 1962b, Engel and others, 1964), the northwest Adirondack Grenville Lowlands has been cited as an example of progressive meta-morphism from...
Journal Article
Journal: Economic Geology
Published: 01 February 1980
Economic Geology (1980) 75 (1): 130-133.
Image
Simplified geologic map of the <b>Adirondack</b> <b>Lowlands</b> after the <b>Adirondack</b> she...
in > Geosphere
Published: 01 April 2011
Figure 3. Simplified geologic map of the Adirondack Lowlands after the Adirondack sheet 1:250,000 ( Rickard et al., 1970 ). Circles show locations and place names of samples discussed in text. Inset shows the generalized distribution of metasedimentary lithologic units in the Lowlands
Image
Geology of the <b>Adirondack</b> <b>Lowlands</b> compiled from  Fisher et al. (1970) ,  C...
in > Geosphere
Published: 01 December 2013
Figure 2. Geology of the Adirondack Lowlands compiled from Fisher et al. (1970) , Carl et al. (1990) , Wasteneys et al. (1999) , Selleck et al. (2005) , and Wong et al. (2011) . E—Edwardsville pluton, R—Rockport granite, H—Honey Hill pluton, B—Beaver Creek pluton.
Image
Summary of tectonic evolution of the <b>Adirondack</b> <b>Lowlands</b> and Frontenac terr...
in > Geosphere
Published: 01 December 2013
Figure 3. Summary of tectonic evolution of the Adirondack Lowlands and Frontenac terrane from 1.30 to 1.14 Ga (after Chiarenzelli et al., 2010b ; Regan et al., 2011 ). Subduction and other details of the ca. 1.19–1.14 Ga Shawinigan orogeny are not specified in the Central Metasedimentary Belt
Image
Map of the <b>Adirondack</b> <b>Lowlands</b> and Highlands showing the location and ages ...
Published: 01 December 2012
Fig. 2 Map of the Adirondack Lowlands and Highlands showing the location and ages of pegmatite bodies discussed in the text ( Isachsen et al . 1990 ). The maximum exposed width of the Marcy anorthosite, the major unit on the right, is 90 km.
Image
<b>Adirondack</b> <b>Lowlands</b> geology (adapted and modified from  Isachsen and Fisher...
in > Geosphere
Published: 01 December 2011
Figure 2. Adirondack Lowlands geology (adapted and modified from Isachsen and Fisher, 1970 ; Geraghty et al., 1981 ; Carl and deLorraine, 1997 ). Area outlined in yellow shown in Figure 3 . SLR—St. Lawrence River; BLF—Black Lake fault; BLSZ—Black Lake shear zone ( Wong et al., 2011 ); NDSZ
Image
The simplified geological map of the <b>Adirondack</b> <b>Lowlands</b> ( after  Fisher  e...
Published: 01 October 2011
Fig. 1 The simplified geological map of the Adirondack Lowlands ( after Fisher et al. 1970 ).
Image
Incompatible element trends of the Pyrites Complex and <b>Adirondack</b> <b>Lowlands</b> ...
in > Geosphere
Published: 01 April 2011
Figure 15. Incompatible element trends of the Pyrites Complex and Adirondack Lowlands mafic rocks normalized to primitive mantle compositions. Overlay shows the composition of Adirondack Highlands coronitic metagabbros from Regan (2010) . Coronitic metagabbros are considered the protolith
Image
Simplified geologic map of the <b>Adirondack</b> <b>Lowlands</b> after  Rickard et al. (1...
in > Geosphere
Published: 01 December 2010
Figure 2. Simplified geologic map of the Adirondack Lowlands after Rickard et al. (1970) . Red star indicates location of the Split Rock diorite sample utilized for U-Pb zircon geochronology in this study.
Image
Figure 4. Generalized temperature-time paths for <b>Adirondack</b> <b>Lowlands</b> and Hi...
Published: 01 October 2000
Figure 4. Generalized temperature-time paths for Adirondack Lowlands and Highlands. Curves are constructed by plotting closure temperatures of minerals versus ages they yield, both by U-Pb analyses (zircon data are from McLelland et al., 1988 ; monazite, sphene, and rutile data are from Mezger et