Nicholas M. Ratcliffe
Reston, VA
Activity
2025
-
THE NEW ENGLAND CONODONT DATA REPOSITORY: A DIGITAL ARCHIVE OF CONODONT BIOSTRATIGRAPHIC DATA AND COLOR ALTERATION INDEX VALUES
42 Mapping in the Geosciences: Processes and ProductsSunday, 30 March 20258:30 AM - 2:30 PMNorth Great Hall
2021
-
NEW DETRITAL ZIRCON DATA FROM WESTERN CONNECTICUT PROVIDE INSIGHT INTO TERRANE AFFINITIES AND MAP PATTERNS OF REGIONAL LITHOLOGIES
13 Pre-Atlantic Geological Connections among Northwest Africa, Southern Europe, and Eastern North AmericaMonday, 15 March 20218:00 AM - 12:20 PMPortland
2017
-
TECTONIC EVOLUTION OF THE CONNECTICUT VALLEY REGION IN SOUTH-CENTRAL VERMONT AND WEST-CENTRAL NEW HAMPSHIRE
43 NETectonics: New Advances in Structural Geology and Tectonics in the AppalachiansMonday, 20 March 20171:30 PM - 5:30 PMLawrence Welk Room, Mezzanine Level
2016
-
NEW U-PB ZIRCON AGES AND FIELD STUDIES SUPPORT SHAWINIGAN DEFORMATION IN THE EASTERN ADIRONDACKS
14 Timing and Nature of Deformation in the Adirondack Mountains IIMonday, 21 March 20161:30 PM - 5:30 PMMeeting Room 6
2012
-
U-PB ZIRCON AND TITANITE AGES OF LATE-TO POST-TECTONIC INTRUSIONS OF THE CORTLANDT- BEEMERVILLE MAGMATIC BELT, CN, NY, AND NJ: RELATION TO IAPETAN CLOSURE IN THE TACONIAN OROGENY
24 Future Directions in Appalachian Tectonics: Building on Recent Lithotectonic Syntheses IMonday, 19 March 201210:15 AM - 12:20 PMCapital Rooms 2 & 3
2010
-
INTRODUCTION TO THE NEW 1:100,000 BEDROCK GEOLOGIC MAP OF VERMONT
3 The New Bedrock Geologic Map of Vermont: New Answers, New Problems, and New Uses of Bedrock Geologic DataSunday, 14 March 20107:50 AM - 12:05 PMLiberty A
-
CONODONTS – USEFUL BUT UNDERUSED TOOLS FOR DECIPHERING GEOLOGY IN VERMONT
3 The New Bedrock Geologic Map of Vermont: New Answers, New Problems, and New Uses of Bedrock Geologic DataSunday, 14 March 20107:50 AM - 12:05 PMLiberty A
-
U-PB GEOCHRONOLOGY STUDIES IN VERMONT
3 The New Bedrock Geologic Map of Vermont: New Answers, New Problems, and New Uses of Bedrock Geologic DataSunday, 14 March 20107:50 AM - 12:05 PMLiberty A
-
CREATION OF THE BEDROCK GEOLOGIC MAP OF VERMONT – AN EVOLUTION FROM ANALOG TO DIGITAL MAPPING TECHNIQUES
3 The New Bedrock Geologic Map of Vermont: New Answers, New Problems, and New Uses of Bedrock Geologic DataSunday, 14 March 20107:50 AM - 12:05 PMLiberty A
-
THE CONNECTICUT VALLEY - GASPE TROUGH IN VERMONT
3 The New Bedrock Geologic Map of Vermont: New Answers, New Problems, and New Uses of Bedrock Geologic DataSunday, 14 March 20107:50 AM - 12:05 PMLiberty A
2006
-
TREMADOCIAN TO PRIDOLIAN ACCRETIONARY ARC, COLLISIONAL, AND POST-COLLISIONAL ASPECTS OF THE TACONIDE ZONE, NORTHEASTERN US
5 Time Slices Across the Appalachians: Tectonic and Depositional Settings of Cambro-Ordovician Rocks in the Appalachian Orogen IMonday, 20 March 20068:00 AM - 12:00 PM
-
40AR/39AR METAMORPHIC AGES FROM THE MANHATTAN PRONG AND ROWE-HAWLEY ZONE OF NEW YORK AND CONNECTICUT
12 Time Slices Across the Appalachians: Tectonic and Depositional Settings of Cambro-Ordovician Rocks in the Appalachian Orogen IIMonday, 20 March 20061:00 PM - 4:00 PM
2002
-
MIDDLE ORDOVICIAN CONODONTS IN NORTHERN VERMONT PROVIDE A STRATIGRAPHIC LINK ACROSS THE GREEN MOUNTAIN ANTICLINORIUM AND CONSTRAIN THE TIMING OF TACONIAN METAMORPHISM
18 Paleozoic Tectonics of the Northern Appalachian Mountains: New Insights and Persistent Problems: First Annual NETectonics Symposium ITuesday, 26 March 20028:00 AM - 12:00 PM
2001
-
NEW INSIGHTS INTO THE TECTONIC HISTORY OF THE MESOPROTEROZOIC BASEMENT OF THE NORTHERN APPALACHIANS: ONE COHERENT TERRANE?
T35 Proterozoic Tectonic Evolution of the Grenville Orogen in Eastern North America IIMonday, 5 November 20011:30 PM - 5:30 PM
-
INTRUSIVE RELATIONS AND ISOTOPIC AGES OF DEVONIAN GRANITES IN SOUTHERN AND CENTRAL VERMONT: EVIDENCE FOR A PROLONGED ACADIAN OROGENY AND PARTITIONING OF COMPRESSIONAL STRAIN
32 Tectonics (Posters)Monday, 5 November 20011:30 PM - 5:30 PM
-
PRE-OTTAWAN DEFORMATION AND TRANSPRESSIONAL FAULTING IN THE HUDSON HIGHLANDS OF NEW YORK BASED ON SHRIMP ZIRCON AGES OF THE STORM KING GRANITE AND THE SYNTECTONIC CANOPUS PLUTON
4 Fault Zone Evolution and Convergent Tectonics: A Symposium in Honor of Rolfe StanleyMonday, 12 March 20018:15 AM - 12:15 PM
Date Unknown
-
NEW 1:100,000-SCALE BEDROCK GEOLOGIC MAP OF VERMONT:STATE AND FEDERAL RESULTS FROM THE NATIONAL COOPERATIVE GEOLOGIC MAPPING PROGRAM
14 The Value of Geologic Maps for Land and Water Resource Management—Examples from National Cooperative Geologic Mapping Program (FEDMAP, STATEMAP, and EDMAP) (Posters)
-
XENOLITHIC ORIGIN OF ORBICULES IN DEVONIAN GRANODIORITES AT EAST BETHEL, VT
38 Igneous and Metamorphic Petrology (Posters)