TYLER RESOURCES INC.
TSX VENTURE : TYS

TYLER RESOURCES INC.

April 18, 2007 16:05 ET

TYLER reports drill results including 16.72m grading 1.65% copper, 35 g/t silver and 0.12 g/t gold and 240m grading 0.51% copper, 2.7 g/t silver and 0.007% molybdenum at BAHUERACHI

CALGARY, ALBERTA--(CCNMatthews - April 18, 2007) - Tyler Resources Inc. (TSX VENTURE:TYS) is very pleased to announce the final drill results for the current resource update recalculation from its ongoing drill program at the Bahuerachi project, Mexico. Drilling continues with three rigs.

Assay data from 5 new RC drill holes and 5 new diamond drill holes have been received and compiled. All drill holes intersected their targets in areas where mineralized material had not been previously modeled and will assist in expanding the Main Zone Deposit resource base during the ongoing resource estimate recalculation.

Significant results for these drill holes are presented in the following table. Drill hole collar locations are shown on the attached drill plan map. A new comprehensive section book with drilling conducted to date in the Main Zone is currently being updated with the latest drilling data and will be posted on the Tyler Website shortly.



Significant intervals, diamond drill holes, Main Zone

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Hole # From To Interval Copper Gold
(m) (m) (m) (%) (g/t)
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BAH-112 36 391.4 240 (1) 0.51 0.06
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including 38 148 110 0.77 0.06
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and 42 72 30 1.38 0.07
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BAH-114 18.7 97.8 79.1 0.36 0.03
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and 123 275 63.4 (2) 0.21 0.02
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BAH-115
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BAH-116 6 22.5 16.5 0.77 0.08
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and 33.4 85 51.6 0.21 0.15
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and 117 155.8 21.4 (3) 0.32 0.01
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BAH-117 46.5 72 25.5 0.81 0.04
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and 218.67 227 (4) 8.33 0.54 0.06
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Hole # Silver Zinc Mo Rock Type
(g/t) (%) (%)
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BAH-112 2.7 trace 0.007 Porphyry, minor sediments
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including 3.1 trace 0.005 Porphyry
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and 3.3 trace trace Porphyry/chalcocite
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BAH-114 1.6 trace 0.008 Mixed porphyry/skarn
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and 3.5 trace 0.019 Sediments/porphyry
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BAH-115 Spot values to 0.37%
Copper
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BAH-116 13.2 0.19 0.003 Sediments/porphyry
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and 1.70 trace 0.006 Sediments
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and 5.26 trace 0.012 Sediments
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BAH-117 5.76 0.15 0.003 Limestone
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and 19.26 0.78 trace Skarn/sulphides
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(1) Excluding 115.4 meters unmineralized dykes.
(2) Excluding 88.6 meters unmineralized dykes.
(3) Excluding 17.4 meters unmineralized dykes.
(4) Interval ends when drill hole intersected a 3 meter wide underground
adit.



Significant intervals, reverse circulation drill holes, Main Zone

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Hole # From To Interval Copper Gold
(m) (m) (m) (%) (g/t)
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RC-72 38 202.16 164.16 0.24 0.02
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RC-73 25.84 71.44 45.6 0.34 0.03
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and 83.6 170.24 86.64 0.27 0.02
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RC-78 0 28.88 28.88 0.35 0.06
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and 42.56 72.96 30.4 1.03 0.1
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including 54.72 65.36 10.64 2.02 0.2
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RC-79 68.4 101.84 33.44 0.72 0.15
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RC-80 21.28 85.12 63.84 0.75 0.07
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including 30.4 47.12 16.72 1.65 0.12
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Hole # Silver Zinc Mo Rock Type
(g/t) (%) (%)
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RC-72 4.15 0.19 0.003 Sediments/marble
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RC-73 1.64 trace 0.016 Sediments
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and 4.01 0.13 0.015 Sediments/porphyry
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RC-78 9.00 0.22 trace Limestone/marble
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and 14.99 0.71 0.005 Marble/skarn
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including 28.53 0.74 0.004 Skarn
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RC-79 16.51 0.18 trace Marble/skarn
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RC-80 13.94 0.38 0.01 Skarn/marble/porphyry
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including 35.05 0.57 0.009 Skarn
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Tyler continues to be pleased with the results of the ongoing drilling which validate the current block model and its use as an efficient targeting tool.

Updated Resource Calculation Status

All assay and geological data has now been added to the initial resource estimate model and verified. Associated Geosciences (AGS) is now completing survey data verification and validation, after which modeling and geostatistics will be completed to update the resource base for the Bahuerachi Main Zone. The Company currently expects the results of the Resource Estimate recalculation to be available within 2 to 3 weeks.

Field Update

Drilling is ongoing with 3 rigs operating in the Main Zone, targeting additional tonnage accretive to the Main Zone resource base as well as aiming to upgrade certain areas within the resource area in terms of resource classification from the inferred to indicated category (DDH-BAH-118-119 and RC 82).

Results currently outstanding include core holes BAH-118 and RC 81 (see attached location map: http://www.ccnmatthews.com/docs/ty1.pdf)

About Tyler

Tyler Resources is a well-funded Canadian junior exploration company focused on base and precious metals exploration in Mexico. Tyler's primary project is the Bahuerachi property, which hosts Mexico's fourth largest mineralized porphyry system. The Company is now in the advanced stage of a 35,000 meter combined diamond and reverse circulation drilling program extended into 2007, making it one of the most active Canadian junior exploration companies operating in Mexico.

All assay work was performed by ICP at ALS-Chemex labs of Vancouver, with gold done using standard fire assay methods. All samples sent to the lab are sealed with security tags for delivery to ALS-Chemex. Duplicate samples as well as standards and blanks are inserted in each batch of samples delivered to the laboratory and then checked to ensure proper quality assurance and quality control (QA/QC).

The Qualified Person responsible for the design and implementation of the Field Program as well as the preparation of this news release was J. P. Jutras, P.Geol., and President of the Company. The work program is being carried out with the participation of Dr. Shane William Ebert, Ph.D, P.Geo, Vice President and Director, Grant Couture, M.Sc Geology, Paul Turnbull, B.Sc, P.Geol, Cornell McDowell, B.Sc Geology and Charla Boyer, B.Sc Geology, consultants to the Company.

Jean Pierre Jutras, President/CEO/Director

Cautionary language: Except for the historical and present factual information contained herein, the matters set forth in this news release, including words such as "expects", "projects", "plans", "anticipates" and similar expressions, are forward-looking information that represents management of Tyler's internal projections, expectations or beliefs concerning, among other things, future operating results and various components thereof or the economic performance of Tyler. The projections, estimates and beliefs contained in such forward-looking statements necessarily involve known and unknown risks and uncertainties, which may cause Tyler's actual performance and financial results in future periods to differ materially from any projections of future performance or results expressed or implied by such forward-looking statements. These risks and uncertainties include, among other things, those described in Tyler's filings with the Canadian securities authorities. Accordingly, holders of Tyler shares and potential investors are cautioned that events or circumstances could cause results to differ materially from those predicted. Tyler disclaims any responsibility to update these forward-looking statements.

The TSX Venture Exchange has neither approved nor disapproved of the contents of this press release.

Contact Information

  • Tyler Resources Inc.
    Jean Pierre Jutras
    President/CEO/Director
    (403) 269-6753
    (403) 266-2606 (FAX)
    Website: www.tylerresources.com