Release Notes

Regional 3D Structural Model of the Oak Ridges Moraine
and Greater Toronto Area, southern Ontario:
Version 2.0

Recommended citation(s):

Any use of this digital file should be referenced to the following citation.   Discussion pertaining to the geology of a specific map should reference the appropriate authors as indicated below:

Logan, C., Russell, H.A.J., and Sharpe, D.R., 2005: Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto Area, southern Ontario: Version 2.0; Geological Survey of Canada, Open File 4957.


Modelling procedure originally published as:

Logan, C., Russell, H.A.J., and Sharpe, D.R., 2001:  Regional three-dimensional stratigraphic modelling of the Oak Ridges Moraine area, southern Ontario; Geological Survey of Canada, Current Research 2001-D01, 19 p.


About the CD-ROM

Title:	Regional 3D Structural Model of the Oak Ridges Moraine and Greater Toronto Area, southern Ontario: Version 2.0

Geological Survey of Canada Open File # 4957

Release date: 1 July 2005

This CD-ROM contains 6 sets of digital data files:
1-Bedrock surface & base elevation; confidence grid
2-Lower sediment surface & base elevation; confidence grid
3-Newmarket Till surface & base elevation; confidence grid
4-Oak Ridges Moraine surface & base elevation; confidence grid
5-Halton Till surface & base elevation; confidence grid
6-Glaciolacustrine / Recent sediment surface & base elevation; confidence grid

Directory Structure

This CD-ROM has the following primary directories:

\data	Data sub-divided by the 6 stratigraphic units (see below).  Each stratigraphic sub-directory is divided by format (see below)
\doc		Documentation
\metadata	CD-ROM metadata
\apps		Distributable viewing software


\data	\<format>	\1_BR		Bedrock surfaces & confidence grids
			\2_LS		Lower sediment surfaces & confidence grids
			\3_NT		Newmarket Till surfaces & confidence grids
			\4_ORM	Oak Ridges Moraine surfaces & confidence grids
			\5_HT		Halton Till surfaces & confidence grids
			\6_GLR	Glaciolacustrine / Recent surfaces & conf. grids

Each stratigraphic sub-directory (above) contains 2 self-extracting, compressed files:
Conf_V2_xx.exe	(ver. 2.0 confidence grid in self-extracting WinZip® 7.0 format)
Surf_V2_xx.exe	(ver. 2.0 stratigraphic surfaces in self-extracting WinZip® 7.0 format)
	
Two formats are provided: MapInfo© and generic ASCII grid

System Requirements

The CR-ROM is compatible with Windows NT/2000/XP, MS-DOS operating systems equipped with the appropriate CD-ROM reader and software.  The CD-ROM is compatable with UNIX and Macintosh operating systems for reading documentation only.  Self-extracting, compressed files must be decompressed in Windows NT/2000/XP.
To view surfaces, MapInfo Professional© with Vertical MapperTM or MapInfo ProViewer© (included) is required.  ASCII grid files are compatible with ESRI Grid / ArcInfo.  Acrobat® documents are viewable with Arcobat® ReaderTM (included).